1 | # babel-types
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2 |
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3 | This module contains methods for building ASTs manually and for checking the types of AST nodes.
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4 |
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5 | ## API
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6 |
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7 |
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8 |
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9 | ### t.anyTypeAnnotation()
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10 |
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11 | See also `t.isAnyTypeAnnotation(node, opts)` and `t.assertAnyTypeAnnotation(node, opts)`.
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12 |
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13 | Aliases: `Flow`, `FlowBaseAnnotation`
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14 |
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15 |
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16 | ### t.arrayExpression(elements)
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17 |
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18 | See also `t.isArrayExpression(node, opts)` and `t.assertArrayExpression(node, opts)`.
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19 |
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20 | Aliases: `Expression`
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21 |
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22 | - `elements`: `array` (required)
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23 |
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24 | ### t.arrayPattern(elements, typeAnnotation)
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25 |
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26 | See also `t.isArrayPattern(node, opts)` and `t.assertArrayPattern(node, opts)`.
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27 |
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28 | Aliases: `Pattern`, `LVal`
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29 |
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30 | - `elements`: `Array<Expression>` (required)
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31 | - `typeAnnotation` (required)
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32 |
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33 | ### t.arrayTypeAnnotation(elementType)
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34 |
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35 | See also `t.isArrayTypeAnnotation(node, opts)` and `t.assertArrayTypeAnnotation(node, opts)`.
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36 |
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37 | Aliases: `Flow`
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38 |
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39 | - `elementType` (required)
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40 |
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41 | ### t.arrowFunctionExpression(params, body, async)
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42 |
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43 | See also `t.isArrowFunctionExpression(node, opts)` and `t.assertArrowFunctionExpression(node, opts)`.
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44 |
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45 | Aliases: `Scopable`, `Function`, `BlockParent`, `FunctionParent`, `Expression`, `Pureish`
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46 |
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47 | - `params`: `Array<LVal>` (required)
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48 | - `body`: `BlockStatement | Expression` (required)
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49 | - `async`: `boolean` (default: `false`)
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50 |
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51 | ### t.assignmentExpression(operator, left, right)
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52 |
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53 | See also `t.isAssignmentExpression(node, opts)` and `t.assertAssignmentExpression(node, opts)`.
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54 |
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55 | Aliases: `Expression`
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56 |
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57 | - `operator`: `string` (required)
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58 | - `left`: `LVal` (required)
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59 | - `right`: `Expression` (required)
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60 |
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61 | ### t.assignmentPattern(left, right)
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62 |
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63 | See also `t.isAssignmentPattern(node, opts)` and `t.assertAssignmentPattern(node, opts)`.
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64 |
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65 | Aliases: `Pattern`, `LVal`
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66 |
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67 | - `left`: `Identifier` (required)
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68 | - `right`: `Expression` (required)
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69 |
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70 | ### t.awaitExpression(argument)
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71 |
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72 | See also `t.isAwaitExpression(node, opts)` and `t.assertAwaitExpression(node, opts)`.
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73 |
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74 | Aliases: `Expression`, `Terminatorless`
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75 |
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76 | - `argument`: `Expression` (required)
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77 |
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78 | ### t.binaryExpression(operator, left, right)
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79 |
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80 | See also `t.isBinaryExpression(node, opts)` and `t.assertBinaryExpression(node, opts)`.
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81 |
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82 | Aliases: `Binary`, `Expression`
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83 |
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84 | - `operator`: `string` (required)
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85 | - `left`: `Expression` (required)
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86 | - `right`: `Expression` (required)
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87 |
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88 | ### t.bindExpression(object, callee)
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89 |
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90 | See also `t.isBindExpression(node, opts)` and `t.assertBindExpression(node, opts)`.
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91 |
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92 | - `object` (required)
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93 | - `callee` (required)
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94 |
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95 | ### t.blockStatement(body, directives)
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96 |
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97 | See also `t.isBlockStatement(node, opts)` and `t.assertBlockStatement(node, opts)`.
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98 |
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99 | Aliases: `Scopable`, `BlockParent`, `Block`, `Statement`
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100 |
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101 | - `body`: `Array<Statement>` (required)
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102 | - `directives`: `Array<Directive>` (default: `[]`)
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103 |
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104 | ### t.booleanLiteral(value)
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105 |
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106 | See also `t.isBooleanLiteral(node, opts)` and `t.assertBooleanLiteral(node, opts)`.
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107 |
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108 | Aliases: `Expression`, `Pureish`, `Literal`, `Immutable`
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109 |
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110 | - `value`: `boolean` (required)
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111 |
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112 | ### t.booleanLiteralTypeAnnotation()
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113 |
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114 | See also `t.isBooleanLiteralTypeAnnotation(node, opts)` and `t.assertBooleanLiteralTypeAnnotation(node, opts)`.
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115 |
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116 | Aliases: `Flow`
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117 |
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118 |
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119 | ### t.booleanTypeAnnotation()
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120 |
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121 | See also `t.isBooleanTypeAnnotation(node, opts)` and `t.assertBooleanTypeAnnotation(node, opts)`.
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122 |
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123 | Aliases: `Flow`, `FlowBaseAnnotation`
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124 |
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125 |
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126 | ### t.breakStatement(label)
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127 |
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128 | See also `t.isBreakStatement(node, opts)` and `t.assertBreakStatement(node, opts)`.
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129 |
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130 | Aliases: `Statement`, `Terminatorless`, `CompletionStatement`
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131 |
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132 | - `label`: `Identifier` (default: `null`)
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133 |
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134 | ### t.callExpression(callee, arguments)
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135 |
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136 | See also `t.isCallExpression(node, opts)` and `t.assertCallExpression(node, opts)`.
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137 |
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138 | Aliases: `Expression`
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139 |
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140 | - `callee`: `Expression` (required)
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141 | - `arguments`: `array` (required)
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142 |
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143 | ### t.catchClause(param, body)
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144 |
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145 | See also `t.isCatchClause(node, opts)` and `t.assertCatchClause(node, opts)`.
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146 |
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147 | Aliases: `Scopable`
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148 |
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149 | - `param`: `Identifier` (required)
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150 | - `body`: `BlockStatement` (required)
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151 |
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152 | ### t.classBody(body)
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153 |
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154 | See also `t.isClassBody(node, opts)` and `t.assertClassBody(node, opts)`.
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155 |
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156 | - `body`: `Array<ClassMethod>` (required)
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157 |
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158 | ### t.classDeclaration(id, superClass, body, decorators)
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159 |
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160 | See also `t.isClassDeclaration(node, opts)` and `t.assertClassDeclaration(node, opts)`.
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161 |
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162 | Aliases: `Scopable`, `Class`, `Statement`, `Declaration`, `Pureish`
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163 |
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164 | - `id`: `Identifier` (required)
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165 | - `superClass`: `Expression` (default: `null`)
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166 | - `body`: `ClassBody` (required)
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167 | - `decorators`: `Array<Decorator>` (required)
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168 |
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169 | ### t.classExpression(id, superClass, body, decorators)
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170 |
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171 | See also `t.isClassExpression(node, opts)` and `t.assertClassExpression(node, opts)`.
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172 |
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173 | Aliases: `Scopable`, `Class`, `Expression`, `Pureish`
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174 |
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175 | - `id`: `Identifier` (default: `null`)
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176 | - `superClass`: `Expression` (default: `null`)
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177 | - `body`: `ClassBody` (required)
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178 | - `decorators`: `Array<Decorator>` (required)
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179 |
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180 | ### t.classImplements(id, typeParameters)
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181 |
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182 | See also `t.isClassImplements(node, opts)` and `t.assertClassImplements(node, opts)`.
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183 |
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184 | Aliases: `Flow`
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185 |
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186 | - `id` (required)
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187 | - `typeParameters` (required)
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188 |
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189 | ### t.classMethod(kind, key, params, body, computed, static)
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190 |
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191 | See also `t.isClassMethod(node, opts)` and `t.assertClassMethod(node, opts)`.
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192 |
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193 | Aliases: `Function`, `Scopable`, `BlockParent`, `FunctionParent`, `Method`
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194 |
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195 | - `kind`: `"get" | "set" | "method" | "constructor"` (default: `'method'`)
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196 | - `key`if computed then `Expression` else `Identifier | Literal` (required)
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197 | - `params`: `Array<LVal>` (required)
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198 | - `body`: `BlockStatement` (required)
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199 | - `computed`: `boolean` (default: `false`)
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200 | - `static`: `boolean` (default: `false`)
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201 |
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202 | ### t.classProperty(key, value, typeAnnotation, decorators)
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203 |
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204 | See also `t.isClassProperty(node, opts)` and `t.assertClassProperty(node, opts)`.
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205 |
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206 | Aliases: `Flow`, `Property`
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207 |
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208 | - `key` (required)
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209 | - `value` (required)
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210 | - `typeAnnotation` (required)
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211 | - `decorators` (required)
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212 |
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213 | ### t.conditionalExpression(test, consequent, alternate)
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214 |
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215 | See also `t.isConditionalExpression(node, opts)` and `t.assertConditionalExpression(node, opts)`.
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216 |
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217 | Aliases: `Expression`, `Conditional`
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218 |
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219 | - `test`: `Expression` (required)
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220 | - `consequent`: `Expression` (required)
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221 | - `alternate`: `Expression` (required)
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222 |
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223 | ### t.continueStatement(label)
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224 |
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225 | See also `t.isContinueStatement(node, opts)` and `t.assertContinueStatement(node, opts)`.
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226 |
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227 | Aliases: `Statement`, `Terminatorless`, `CompletionStatement`
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228 |
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229 | - `label`: `Identifier` (default: `null`)
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230 |
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231 | ### t.debuggerStatement()
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232 |
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233 | See also `t.isDebuggerStatement(node, opts)` and `t.assertDebuggerStatement(node, opts)`.
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234 |
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235 | Aliases: `Statement`
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236 |
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237 |
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238 | ### t.declareClass(id, typeParameters, extends, body)
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239 |
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240 | See also `t.isDeclareClass(node, opts)` and `t.assertDeclareClass(node, opts)`.
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241 |
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242 | Aliases: `Flow`, `FlowDeclaration`, `Statement`, `Declaration`
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243 |
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244 | - `id` (required)
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245 | - `typeParameters` (required)
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246 | - `extends` (required)
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247 | - `body` (required)
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248 |
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249 | ### t.declareFunction(id)
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250 |
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251 | See also `t.isDeclareFunction(node, opts)` and `t.assertDeclareFunction(node, opts)`.
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252 |
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253 | Aliases: `Flow`, `FlowDeclaration`, `Statement`, `Declaration`
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254 |
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255 | - `id` (required)
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256 |
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257 | ### t.declareModule(id, body)
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258 |
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259 | See also `t.isDeclareModule(node, opts)` and `t.assertDeclareModule(node, opts)`.
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260 |
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261 | Aliases: `Flow`, `FlowDeclaration`, `Statement`, `Declaration`
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262 |
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263 | - `id` (required)
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264 | - `body` (required)
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265 |
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266 | ### t.declareVariable(id)
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267 |
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268 | See also `t.isDeclareVariable(node, opts)` and `t.assertDeclareVariable(node, opts)`.
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269 |
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270 | Aliases: `Flow`, `FlowDeclaration`, `Statement`, `Declaration`
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271 |
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272 | - `id` (required)
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273 |
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274 | ### t.decorator(expression)
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275 |
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276 | See also `t.isDecorator(node, opts)` and `t.assertDecorator(node, opts)`.
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277 |
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278 | - `expression`: `Expression` (required)
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279 |
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280 | ### t.directive(value)
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281 |
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282 | See also `t.isDirective(node, opts)` and `t.assertDirective(node, opts)`.
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283 |
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284 | - `value`: `DirectiveLiteral` (required)
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285 |
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286 | ### t.directiveLiteral(value)
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287 |
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288 | See also `t.isDirectiveLiteral(node, opts)` and `t.assertDirectiveLiteral(node, opts)`.
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289 |
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290 | - `value`: `string` (required)
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291 |
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292 | ### t.doExpression(body)
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293 |
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294 | See also `t.isDoExpression(node, opts)` and `t.assertDoExpression(node, opts)`.
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295 |
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296 | Aliases: `Expression`
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297 |
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298 | - `body`: `BlockStatement` (required)
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299 |
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300 | ### t.doWhileStatement(test, body)
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301 |
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302 | See also `t.isDoWhileStatement(node, opts)` and `t.assertDoWhileStatement(node, opts)`.
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303 |
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304 | Aliases: `Statement`, `BlockParent`, `Loop`, `While`, `Scopable`
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305 |
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306 | - `test`: `Expression` (required)
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307 | - `body`: `BlockStatement` (required)
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308 |
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309 | ### t.emptyStatement()
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310 |
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311 | See also `t.isEmptyStatement(node, opts)` and `t.assertEmptyStatement(node, opts)`.
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312 |
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313 | Aliases: `Statement`
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314 |
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315 |
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316 | ### t.existentialTypeParam()
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317 |
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318 | See also `t.isExistentialTypeParam(node, opts)` and `t.assertExistentialTypeParam(node, opts)`.
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319 |
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320 | Aliases: `Flow`
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321 |
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322 |
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323 | ### t.exportAllDeclaration(source)
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324 |
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325 | See also `t.isExportAllDeclaration(node, opts)` and `t.assertExportAllDeclaration(node, opts)`.
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326 |
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327 | Aliases: `Statement`, `Declaration`, `ModuleDeclaration`, `ExportDeclaration`
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328 |
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329 | - `source` (required)
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330 |
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331 | ### t.exportDefaultDeclaration(declaration)
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332 |
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333 | See also `t.isExportDefaultDeclaration(node, opts)` and `t.assertExportDefaultDeclaration(node, opts)`.
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334 |
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335 | Aliases: `Statement`, `Declaration`, `ModuleDeclaration`, `ExportDeclaration`
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336 |
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337 | - `declaration` (required)
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338 |
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339 | ### t.exportDefaultSpecifier(exported)
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340 |
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341 | See also `t.isExportDefaultSpecifier(node, opts)` and `t.assertExportDefaultSpecifier(node, opts)`.
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342 |
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343 | Aliases: `ModuleSpecifier`
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344 |
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345 | - `exported`: `Identifier` (required)
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346 |
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347 | ### t.exportNamedDeclaration(declaration, specifiers, source)
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348 |
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349 | See also `t.isExportNamedDeclaration(node, opts)` and `t.assertExportNamedDeclaration(node, opts)`.
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350 |
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351 | Aliases: `Statement`, `Declaration`, `ModuleDeclaration`, `ExportDeclaration`
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352 |
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353 | - `declaration` (required)
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354 | - `specifiers` (required)
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355 | - `source` (required)
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356 |
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357 | ### t.exportNamespaceSpecifier(exported)
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358 |
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359 | See also `t.isExportNamespaceSpecifier(node, opts)` and `t.assertExportNamespaceSpecifier(node, opts)`.
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360 |
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361 | Aliases: `ModuleSpecifier`
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362 |
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363 | - `exported`: `Identifier` (required)
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364 |
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365 | ### t.exportSpecifier(local, exported)
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366 |
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367 | See also `t.isExportSpecifier(node, opts)` and `t.assertExportSpecifier(node, opts)`.
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368 |
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369 | Aliases: `ModuleSpecifier`
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370 |
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371 | - `local`: `Identifier` (required)
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372 | - `exported` (required)
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373 |
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374 | ### t.expressionStatement(expression)
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375 |
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376 | See also `t.isExpressionStatement(node, opts)` and `t.assertExpressionStatement(node, opts)`.
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377 |
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378 | Aliases: `Statement`, `ExpressionWrapper`
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379 |
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380 | - `expression`: `Expression` (required)
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381 |
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382 | ### t.file(program, comments, tokens)
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383 |
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384 | See also `t.isFile(node, opts)` and `t.assertFile(node, opts)`.
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385 |
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386 | - `program`: `Program` (required)
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387 | - `comments` (required)
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388 | - `tokens` (required)
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389 |
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390 | ### t.forInStatement(left, right, body)
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391 |
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392 | See also `t.isForInStatement(node, opts)` and `t.assertForInStatement(node, opts)`.
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393 |
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394 | Aliases: `Scopable`, `Statement`, `For`, `BlockParent`, `Loop`, `ForXStatement`
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395 |
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396 | - `left`: `VariableDeclaration | LVal` (required)
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397 | - `right`: `Expression` (required)
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398 | - `body`: `Statement` (required)
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399 |
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400 | ### t.forOfStatement(left, right, body)
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401 |
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402 | See also `t.isForOfStatement(node, opts)` and `t.assertForOfStatement(node, opts)`.
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403 |
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404 | Aliases: `Scopable`, `Statement`, `For`, `BlockParent`, `Loop`, `ForXStatement`
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405 |
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406 | - `left`: `VariableDeclaration | LVal` (required)
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407 | - `right`: `Expression` (required)
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408 | - `body`: `Statement` (required)
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409 |
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410 | ### t.forStatement(init, test, update, body)
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411 |
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412 | See also `t.isForStatement(node, opts)` and `t.assertForStatement(node, opts)`.
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413 |
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414 | Aliases: `Scopable`, `Statement`, `For`, `BlockParent`, `Loop`
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415 |
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416 | - `init`: `VariableDeclaration | Expression` (default: `null`)
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417 | - `test`: `Expression` (default: `null`)
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418 | - `update`: `Expression` (default: `null`)
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419 | - `body`: `Statement` (required)
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420 |
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421 | ### t.functionDeclaration(id, params, body, generator, async)
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422 |
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423 | See also `t.isFunctionDeclaration(node, opts)` and `t.assertFunctionDeclaration(node, opts)`.
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424 |
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425 | Aliases: `Scopable`, `Function`, `BlockParent`, `FunctionParent`, `Statement`, `Pureish`, `Declaration`
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426 |
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427 | - `id`: `Identifier` (required)
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428 | - `params`: `Array<LVal>` (required)
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429 | - `body`: `BlockStatement` (required)
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430 | - `generator`: `boolean` (default: `false`)
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431 | - `async`: `boolean` (default: `false`)
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432 |
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433 | ### t.functionExpression(id, params, body, generator, async)
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434 |
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435 | See also `t.isFunctionExpression(node, opts)` and `t.assertFunctionExpression(node, opts)`.
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436 |
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437 | Aliases: `Scopable`, `Function`, `BlockParent`, `FunctionParent`, `Expression`, `Pureish`
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438 |
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439 | - `id`: `Identifier` (default: `null`)
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440 | - `params`: `Array<LVal>` (required)
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441 | - `body`: `BlockStatement` (required)
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442 | - `generator`: `boolean` (default: `false`)
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443 | - `async`: `boolean` (default: `false`)
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444 |
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445 | ### t.functionTypeAnnotation(typeParameters, params, rest, returnType)
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446 |
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447 | See also `t.isFunctionTypeAnnotation(node, opts)` and `t.assertFunctionTypeAnnotation(node, opts)`.
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448 |
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449 | Aliases: `Flow`
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450 |
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451 | - `typeParameters` (required)
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452 | - `params` (required)
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453 | - `rest` (required)
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454 | - `returnType` (required)
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455 |
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456 | ### t.functionTypeParam(name, typeAnnotation)
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457 |
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458 | See also `t.isFunctionTypeParam(node, opts)` and `t.assertFunctionTypeParam(node, opts)`.
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459 |
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460 | Aliases: `Flow`
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461 |
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462 | - `name` (required)
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463 | - `typeAnnotation` (required)
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464 |
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465 | ### t.genericTypeAnnotation(id, typeParameters)
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466 |
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467 | See also `t.isGenericTypeAnnotation(node, opts)` and `t.assertGenericTypeAnnotation(node, opts)`.
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468 |
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469 | Aliases: `Flow`
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470 |
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471 | - `id` (required)
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472 | - `typeParameters` (required)
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473 |
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474 | ### t.identifier(name)
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475 |
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476 | See also `t.isIdentifier(node, opts)` and `t.assertIdentifier(node, opts)`.
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477 |
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478 | Aliases: `Expression`, `LVal`
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479 |
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480 | - `name``string` (required)
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481 |
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482 | ### t.ifStatement(test, consequent, alternate)
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483 |
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484 | See also `t.isIfStatement(node, opts)` and `t.assertIfStatement(node, opts)`.
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485 |
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486 | Aliases: `Statement`, `Conditional`
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487 |
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488 | - `test`: `Expression` (required)
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489 | - `consequent`: `Statement` (default: `null`)
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490 | - `alternate`: `Statement` (default: `null`)
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491 |
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492 | ### t.importDeclaration(specifiers, source)
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493 |
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494 | See also `t.isImportDeclaration(node, opts)` and `t.assertImportDeclaration(node, opts)`.
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495 |
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496 | Aliases: `Statement`, `Declaration`, `ModuleDeclaration`
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497 |
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498 | - `specifiers`: `Array<ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier>` (required)
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499 | - `source`: `StringLiteral` (required)
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500 |
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501 | ### t.importDefaultSpecifier(local)
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502 |
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503 | See also `t.isImportDefaultSpecifier(node, opts)` and `t.assertImportDefaultSpecifier(node, opts)`.
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504 |
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505 | Aliases: `ModuleSpecifier`
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506 |
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507 | - `local`: `Identifier` (required)
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508 |
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509 | ### t.importNamespaceSpecifier(local)
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510 |
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511 | See also `t.isImportNamespaceSpecifier(node, opts)` and `t.assertImportNamespaceSpecifier(node, opts)`.
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512 |
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513 | Aliases: `ModuleSpecifier`
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514 |
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515 | - `local`: `Identifier` (required)
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516 |
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517 | ### t.importSpecifier(local, imported)
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518 |
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519 | See also `t.isImportSpecifier(node, opts)` and `t.assertImportSpecifier(node, opts)`.
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520 |
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521 | Aliases: `ModuleSpecifier`
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522 |
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523 | - `local`: `Identifier` (required)
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524 | - `imported`: `Identifier` (required)
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525 |
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526 | ### t.interfaceDeclaration(id, typeParameters, extends, body)
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527 |
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528 | See also `t.isInterfaceDeclaration(node, opts)` and `t.assertInterfaceDeclaration(node, opts)`.
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529 |
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530 | Aliases: `Flow`, `FlowDeclaration`, `Statement`, `Declaration`
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531 |
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532 | - `id` (required)
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533 | - `typeParameters` (required)
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534 | - `extends` (required)
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535 | - `body` (required)
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536 |
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537 | ### t.interfaceExtends(id, typeParameters)
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538 |
|
539 | See also `t.isInterfaceExtends(node, opts)` and `t.assertInterfaceExtends(node, opts)`.
|
540 |
|
541 | Aliases: `Flow`
|
542 |
|
543 | - `id` (required)
|
544 | - `typeParameters` (required)
|
545 |
|
546 | ### t.intersectionTypeAnnotation(types)
|
547 |
|
548 | See also `t.isIntersectionTypeAnnotation(node, opts)` and `t.assertIntersectionTypeAnnotation(node, opts)`.
|
549 |
|
550 | Aliases: `Flow`
|
551 |
|
552 | - `types` (required)
|
553 |
|
554 | ### t.jSXAttribute(name, value)
|
555 |
|
556 | See also `t.isJSXAttribute(node, opts)` and `t.assertJSXAttribute(node, opts)`.
|
557 |
|
558 | Aliases: `JSX`, `Immutable`
|
559 |
|
560 | - `name`: `JSXIdentifier | JSXMemberExpression` (required)
|
561 | - `value`: `JSXElement | StringLiteral | JSXExpressionContainer` (default: `null`)
|
562 |
|
563 | ### t.jSXClosingElement(name)
|
564 |
|
565 | See also `t.isJSXClosingElement(node, opts)` and `t.assertJSXClosingElement(node, opts)`.
|
566 |
|
567 | Aliases: `JSX`, `Immutable`
|
568 |
|
569 | - `name`: `JSXIdentifier | JSXMemberExpression` (required)
|
570 |
|
571 | ### t.jSXElement(openingElement, closingElement, children, selfClosing)
|
572 |
|
573 | See also `t.isJSXElement(node, opts)` and `t.assertJSXElement(node, opts)`.
|
574 |
|
575 | Aliases: `JSX`, `Immutable`, `Expression`
|
576 |
|
577 | - `openingElement`: `JSXOpeningElement` (required)
|
578 | - `closingElement`: `JSXClosingElement` (default: `null`)
|
579 | - `children` (required)
|
580 | - `selfClosing` (required)
|
581 |
|
582 | ### t.jSXEmptyExpression()
|
583 |
|
584 | See also `t.isJSXEmptyExpression(node, opts)` and `t.assertJSXEmptyExpression(node, opts)`.
|
585 |
|
586 | Aliases: `JSX`, `Expression`
|
587 |
|
588 |
|
589 | ### t.jSXExpressionContainer(expression)
|
590 |
|
591 | See also `t.isJSXExpressionContainer(node, opts)` and `t.assertJSXExpressionContainer(node, opts)`.
|
592 |
|
593 | Aliases: `JSX`, `Immutable`
|
594 |
|
595 | - `expression`: `Expression` (required)
|
596 |
|
597 | ### t.jSXIdentifier(name)
|
598 |
|
599 | See also `t.isJSXIdentifier(node, opts)` and `t.assertJSXIdentifier(node, opts)`.
|
600 |
|
601 | Aliases: `JSX`, `Expression`
|
602 |
|
603 | - `name`: `string` (required)
|
604 |
|
605 | ### t.jSXMemberExpression(object, property)
|
606 |
|
607 | See also `t.isJSXMemberExpression(node, opts)` and `t.assertJSXMemberExpression(node, opts)`.
|
608 |
|
609 | Aliases: `JSX`, `Expression`
|
610 |
|
611 | - `object`: `JSXIdentifier` (required)
|
612 | - `property`: `JSXIdentifier` (required)
|
613 |
|
614 | ### t.jSXNamespacedName(namespace, name)
|
615 |
|
616 | See also `t.isJSXNamespacedName(node, opts)` and `t.assertJSXNamespacedName(node, opts)`.
|
617 |
|
618 | Aliases: `JSX`
|
619 |
|
620 | - `namespace`: `JSXIdentifier` (required)
|
621 | - `name`: `JSXIdentifier` (required)
|
622 |
|
623 | ### t.jSXOpeningElement(name, attributes, selfClosing)
|
624 |
|
625 | See also `t.isJSXOpeningElement(node, opts)` and `t.assertJSXOpeningElement(node, opts)`.
|
626 |
|
627 | Aliases: `JSX`, `Immutable`
|
628 |
|
629 | - `name`: `JSXIdentifier | JSXMemberExpression` (required)
|
630 | - `attributes`: `Array<JSXAttribute | JSXSpreadAttribute>` (required)
|
631 | - `selfClosing`: `boolean` (default: `false`)
|
632 |
|
633 | ### t.jSXSpreadAttribute(argument)
|
634 |
|
635 | See also `t.isJSXSpreadAttribute(node, opts)` and `t.assertJSXSpreadAttribute(node, opts)`.
|
636 |
|
637 | Aliases: `JSX`
|
638 |
|
639 | - `argument`: `Expression` (required)
|
640 |
|
641 | ### t.jSXText(value)
|
642 |
|
643 | See also `t.isJSXText(node, opts)` and `t.assertJSXText(node, opts)`.
|
644 |
|
645 | Aliases: `JSX`
|
646 |
|
647 | - `value`: `string` (required)
|
648 |
|
649 | ### t.labeledStatement(label, body)
|
650 |
|
651 | See also `t.isLabeledStatement(node, opts)` and `t.assertLabeledStatement(node, opts)`.
|
652 |
|
653 | Aliases: `Statement`
|
654 |
|
655 | - `label`: `Identifier` (required)
|
656 | - `body`: `Statement` (required)
|
657 |
|
658 | ### t.logicalExpression(operator, left, right)
|
659 |
|
660 | See also `t.isLogicalExpression(node, opts)` and `t.assertLogicalExpression(node, opts)`.
|
661 |
|
662 | Aliases: `Binary`, `Expression`
|
663 |
|
664 | - `operator` (required)
|
665 | - `left`: `Expression` (required)
|
666 | - `right`: `Expression` (required)
|
667 |
|
668 | ### t.memberExpression(object, property, computed)
|
669 |
|
670 | See also `t.isMemberExpression(node, opts)` and `t.assertMemberExpression(node, opts)`.
|
671 |
|
672 | Aliases: `Expression`, `LVal`
|
673 |
|
674 | - `object`: `Expression` (required)
|
675 | - `property`if computed then `Expression` else `Identifier` (required)
|
676 | - `computed`: `boolean` (default: `false`)
|
677 |
|
678 | ### t.metaProperty(meta, property)
|
679 |
|
680 | See also `t.isMetaProperty(node, opts)` and `t.assertMetaProperty(node, opts)`.
|
681 |
|
682 | Aliases: `Expression`
|
683 |
|
684 | - `meta`: `string` (required)
|
685 | - `property`: `string` (required)
|
686 |
|
687 | ### t.mixedTypeAnnotation()
|
688 |
|
689 | See also `t.isMixedTypeAnnotation(node, opts)` and `t.assertMixedTypeAnnotation(node, opts)`.
|
690 |
|
691 | Aliases: `Flow`, `FlowBaseAnnotation`
|
692 |
|
693 |
|
694 | ### t.newExpression(callee, arguments)
|
695 |
|
696 | See also `t.isNewExpression(node, opts)` and `t.assertNewExpression(node, opts)`.
|
697 |
|
698 | Aliases: `Expression`
|
699 |
|
700 | - `callee`: `Expression` (required)
|
701 | - `arguments`: `Array<Expression>` (required)
|
702 |
|
703 | ### t.noop()
|
704 |
|
705 | See also `t.isNoop(node, opts)` and `t.assertNoop(node, opts)`.
|
706 |
|
707 |
|
708 | ### t.nullLiteral()
|
709 |
|
710 | See also `t.isNullLiteral(node, opts)` and `t.assertNullLiteral(node, opts)`.
|
711 |
|
712 | Aliases: `Expression`, `Pureish`, `Literal`, `Immutable`
|
713 |
|
714 |
|
715 | ### t.nullableTypeAnnotation(typeAnnotation)
|
716 |
|
717 | See also `t.isNullableTypeAnnotation(node, opts)` and `t.assertNullableTypeAnnotation(node, opts)`.
|
718 |
|
719 | Aliases: `Flow`
|
720 |
|
721 | - `typeAnnotation` (required)
|
722 |
|
723 | ### t.numberTypeAnnotation()
|
724 |
|
725 | See also `t.isNumberTypeAnnotation(node, opts)` and `t.assertNumberTypeAnnotation(node, opts)`.
|
726 |
|
727 | Aliases: `Flow`, `FlowBaseAnnotation`
|
728 |
|
729 |
|
730 | ### t.numericLiteral(value)
|
731 |
|
732 | See also `t.isNumericLiteral(node, opts)` and `t.assertNumericLiteral(node, opts)`.
|
733 |
|
734 | Aliases: `Expression`, `Pureish`, `Literal`, `Immutable`
|
735 |
|
736 | - `value`: `number` (required)
|
737 |
|
738 | ### t.numericLiteralTypeAnnotation()
|
739 |
|
740 | See also `t.isNumericLiteralTypeAnnotation(node, opts)` and `t.assertNumericLiteralTypeAnnotation(node, opts)`.
|
741 |
|
742 | Aliases: `Flow`
|
743 |
|
744 |
|
745 | ### t.objectExpression(properties)
|
746 |
|
747 | See also `t.isObjectExpression(node, opts)` and `t.assertObjectExpression(node, opts)`.
|
748 |
|
749 | Aliases: `Expression`
|
750 |
|
751 | - `properties`: `Array<ObjectMethod | ObjectProperty | SpreadProperty>` (required)
|
752 |
|
753 | ### t.objectMethod(kind, key, params, body, computed)
|
754 |
|
755 | See also `t.isObjectMethod(node, opts)` and `t.assertObjectMethod(node, opts)`.
|
756 |
|
757 | Aliases: `UserWhitespacable`, `Function`, `Scopable`, `BlockParent`, `FunctionParent`, `Method`
|
758 |
|
759 | - `kind`: `"method" | "get" | "set"` (default: `'method'`)
|
760 | - `key`if computed then `Expression` else `Identifier | Literal` (required)
|
761 | - `params` (required)
|
762 | - `body`: `BlockStatement` (required)
|
763 | - `computed`: `boolean` (default: `false`)
|
764 |
|
765 | ### t.objectPattern(properties, typeAnnotation)
|
766 |
|
767 | See also `t.isObjectPattern(node, opts)` and `t.assertObjectPattern(node, opts)`.
|
768 |
|
769 | Aliases: `Pattern`, `LVal`
|
770 |
|
771 | - `properties`: `Array<RestProperty>` (required)
|
772 | - `typeAnnotation` (required)
|
773 |
|
774 | ### t.objectProperty(key, value, computed, shorthand, decorators)
|
775 |
|
776 | See also `t.isObjectProperty(node, opts)` and `t.assertObjectProperty(node, opts)`.
|
777 |
|
778 | Aliases: `UserWhitespacable`, `Property`
|
779 |
|
780 | - `key`if computed then `Expression` else `Identifier | Literal` (required)
|
781 | - `value`: `Expression` (required)
|
782 | - `computed`: `boolean` (default: `false`)
|
783 | - `shorthand`: `boolean` (default: `false`)
|
784 | - `decorators`: `Array<Decorator>` (default: `null`)
|
785 |
|
786 | ### t.objectTypeAnnotation(properties, indexers, callProperties)
|
787 |
|
788 | See also `t.isObjectTypeAnnotation(node, opts)` and `t.assertObjectTypeAnnotation(node, opts)`.
|
789 |
|
790 | Aliases: `Flow`
|
791 |
|
792 | - `properties` (required)
|
793 | - `indexers` (required)
|
794 | - `callProperties` (required)
|
795 |
|
796 | ### t.objectTypeCallProperty(value)
|
797 |
|
798 | See also `t.isObjectTypeCallProperty(node, opts)` and `t.assertObjectTypeCallProperty(node, opts)`.
|
799 |
|
800 | Aliases: `Flow`, `UserWhitespacable`
|
801 |
|
802 | - `value` (required)
|
803 |
|
804 | ### t.objectTypeIndexer(id, key, value)
|
805 |
|
806 | See also `t.isObjectTypeIndexer(node, opts)` and `t.assertObjectTypeIndexer(node, opts)`.
|
807 |
|
808 | Aliases: `Flow`, `UserWhitespacable`
|
809 |
|
810 | - `id` (required)
|
811 | - `key` (required)
|
812 | - `value` (required)
|
813 |
|
814 | ### t.objectTypeProperty(key, value)
|
815 |
|
816 | See also `t.isObjectTypeProperty(node, opts)` and `t.assertObjectTypeProperty(node, opts)`.
|
817 |
|
818 | Aliases: `Flow`, `UserWhitespacable`
|
819 |
|
820 | - `key` (required)
|
821 | - `value` (required)
|
822 |
|
823 | ### t.parenthesizedExpression(expression)
|
824 |
|
825 | See also `t.isParenthesizedExpression(node, opts)` and `t.assertParenthesizedExpression(node, opts)`.
|
826 |
|
827 | Aliases: `Expression`, `ExpressionWrapper`
|
828 |
|
829 | - `expression`: `Expression` (required)
|
830 |
|
831 | ### t.program(body, directives)
|
832 |
|
833 | See also `t.isProgram(node, opts)` and `t.assertProgram(node, opts)`.
|
834 |
|
835 | Aliases: `Scopable`, `BlockParent`, `Block`, `FunctionParent`
|
836 |
|
837 | - `body`: `Array<Statement>` (required)
|
838 | - `directives`: `Array<Directive>` (default: `[]`)
|
839 |
|
840 | ### t.qualifiedTypeIdentifier(id, qualification)
|
841 |
|
842 | See also `t.isQualifiedTypeIdentifier(node, opts)` and `t.assertQualifiedTypeIdentifier(node, opts)`.
|
843 |
|
844 | Aliases: `Flow`
|
845 |
|
846 | - `id` (required)
|
847 | - `qualification` (required)
|
848 |
|
849 | ### t.regExpLiteral(pattern, flags)
|
850 |
|
851 | See also `t.isRegExpLiteral(node, opts)` and `t.assertRegExpLiteral(node, opts)`.
|
852 |
|
853 | Aliases: `Expression`, `Literal`
|
854 |
|
855 | - `pattern`: `string` (required)
|
856 | - `flags`: `string` (default: `''`)
|
857 |
|
858 | ### t.restElement(argument, typeAnnotation)
|
859 |
|
860 | See also `t.isRestElement(node, opts)` and `t.assertRestElement(node, opts)`.
|
861 |
|
862 | Aliases: `LVal`
|
863 |
|
864 | - `argument`: `LVal` (required)
|
865 | - `typeAnnotation` (required)
|
866 |
|
867 | ### t.restProperty(argument)
|
868 |
|
869 | See also `t.isRestProperty(node, opts)` and `t.assertRestProperty(node, opts)`.
|
870 |
|
871 | Aliases: `UnaryLike`
|
872 |
|
873 | - `argument`: `LVal` (required)
|
874 |
|
875 | ### t.returnStatement(argument)
|
876 |
|
877 | See also `t.isReturnStatement(node, opts)` and `t.assertReturnStatement(node, opts)`.
|
878 |
|
879 | Aliases: `Statement`, `Terminatorless`, `CompletionStatement`
|
880 |
|
881 | - `argument`: `Expression` (default: `null`)
|
882 |
|
883 | ### t.sequenceExpression(expressions)
|
884 |
|
885 | See also `t.isSequenceExpression(node, opts)` and `t.assertSequenceExpression(node, opts)`.
|
886 |
|
887 | Aliases: `Expression`
|
888 |
|
889 | - `expressions`: `array` (required)
|
890 |
|
891 | ### t.spreadElement(argument)
|
892 |
|
893 | See also `t.isSpreadElement(node, opts)` and `t.assertSpreadElement(node, opts)`.
|
894 |
|
895 | Aliases: `UnaryLike`
|
896 |
|
897 | - `argument`: `Expression` (required)
|
898 |
|
899 | ### t.spreadProperty(argument)
|
900 |
|
901 | See also `t.isSpreadProperty(node, opts)` and `t.assertSpreadProperty(node, opts)`.
|
902 |
|
903 | Aliases: `UnaryLike`
|
904 |
|
905 | - `argument`: `Expression` (required)
|
906 |
|
907 | ### t.stringLiteral(value)
|
908 |
|
909 | See also `t.isStringLiteral(node, opts)` and `t.assertStringLiteral(node, opts)`.
|
910 |
|
911 | Aliases: `Expression`, `Pureish`, `Literal`, `Immutable`
|
912 |
|
913 | - `value`: `string` (required)
|
914 |
|
915 | ### t.stringLiteralTypeAnnotation()
|
916 |
|
917 | See also `t.isStringLiteralTypeAnnotation(node, opts)` and `t.assertStringLiteralTypeAnnotation(node, opts)`.
|
918 |
|
919 | Aliases: `Flow`
|
920 |
|
921 |
|
922 | ### t.stringTypeAnnotation()
|
923 |
|
924 | See also `t.isStringTypeAnnotation(node, opts)` and `t.assertStringTypeAnnotation(node, opts)`.
|
925 |
|
926 | Aliases: `Flow`, `FlowBaseAnnotation`
|
927 |
|
928 |
|
929 | ### t.super()
|
930 |
|
931 | See also `t.isSuper(node, opts)` and `t.assertSuper(node, opts)`.
|
932 |
|
933 | Aliases: `Expression`
|
934 |
|
935 |
|
936 | ### t.switchCase(test, consequent)
|
937 |
|
938 | See also `t.isSwitchCase(node, opts)` and `t.assertSwitchCase(node, opts)`.
|
939 |
|
940 | - `test` (required)
|
941 | - `consequent` (required)
|
942 |
|
943 | ### t.switchStatement(discriminant, cases)
|
944 |
|
945 | See also `t.isSwitchStatement(node, opts)` and `t.assertSwitchStatement(node, opts)`.
|
946 |
|
947 | Aliases: `Statement`, `BlockParent`, `Scopable`
|
948 |
|
949 | - `discriminant` (required)
|
950 | - `cases` (required)
|
951 |
|
952 | ### t.taggedTemplateExpression(tag, quasi)
|
953 |
|
954 | See also `t.isTaggedTemplateExpression(node, opts)` and `t.assertTaggedTemplateExpression(node, opts)`.
|
955 |
|
956 | Aliases: `Expression`
|
957 |
|
958 | - `tag`: `Expression` (required)
|
959 | - `quasi`: `TemplateLiteral` (required)
|
960 |
|
961 | ### t.templateElement(value, tail)
|
962 |
|
963 | See also `t.isTemplateElement(node, opts)` and `t.assertTemplateElement(node, opts)`.
|
964 |
|
965 | - `value` (required)
|
966 | - `tail`: `boolean` (default: `false`)
|
967 |
|
968 | ### t.templateLiteral(quasis, expressions)
|
969 |
|
970 | See also `t.isTemplateLiteral(node, opts)` and `t.assertTemplateLiteral(node, opts)`.
|
971 |
|
972 | Aliases: `Expression`, `Literal`
|
973 |
|
974 | - `quasis` (required)
|
975 | - `expressions` (required)
|
976 |
|
977 | ### t.thisExpression()
|
978 |
|
979 | See also `t.isThisExpression(node, opts)` and `t.assertThisExpression(node, opts)`.
|
980 |
|
981 | Aliases: `Expression`
|
982 |
|
983 |
|
984 | ### t.throwStatement(argument)
|
985 |
|
986 | See also `t.isThrowStatement(node, opts)` and `t.assertThrowStatement(node, opts)`.
|
987 |
|
988 | Aliases: `Statement`, `Terminatorless`, `CompletionStatement`
|
989 |
|
990 | - `argument`: `Expression` (required)
|
991 |
|
992 | ### t.tryStatement(block, handler, finalizer)
|
993 |
|
994 | See also `t.isTryStatement(node, opts)` and `t.assertTryStatement(node, opts)`.
|
995 |
|
996 | Aliases: `Statement`
|
997 |
|
998 | - `block` (required)
|
999 | - `handler` (default: `null`)
|
1000 | - `finalizer`: `BlockStatement` (default: `null`)
|
1001 |
|
1002 | ### t.tupleTypeAnnotation(types)
|
1003 |
|
1004 | See also `t.isTupleTypeAnnotation(node, opts)` and `t.assertTupleTypeAnnotation(node, opts)`.
|
1005 |
|
1006 | Aliases: `Flow`
|
1007 |
|
1008 | - `types` (required)
|
1009 |
|
1010 | ### t.typeAlias(id, typeParameters, right)
|
1011 |
|
1012 | See also `t.isTypeAlias(node, opts)` and `t.assertTypeAlias(node, opts)`.
|
1013 |
|
1014 | Aliases: `Flow`, `FlowDeclaration`, `Statement`, `Declaration`
|
1015 |
|
1016 | - `id` (required)
|
1017 | - `typeParameters` (required)
|
1018 | - `right` (required)
|
1019 |
|
1020 | ### t.typeAnnotation(typeAnnotation)
|
1021 |
|
1022 | See also `t.isTypeAnnotation(node, opts)` and `t.assertTypeAnnotation(node, opts)`.
|
1023 |
|
1024 | Aliases: `Flow`
|
1025 |
|
1026 | - `typeAnnotation` (required)
|
1027 |
|
1028 | ### t.typeCastExpression(expression, typeAnnotation)
|
1029 |
|
1030 | See also `t.isTypeCastExpression(node, opts)` and `t.assertTypeCastExpression(node, opts)`.
|
1031 |
|
1032 | Aliases: `Flow`, `ExpressionWrapper`
|
1033 |
|
1034 | - `expression` (required)
|
1035 | - `typeAnnotation` (required)
|
1036 |
|
1037 | ### t.typeParameterDeclaration(params)
|
1038 |
|
1039 | See also `t.isTypeParameterDeclaration(node, opts)` and `t.assertTypeParameterDeclaration(node, opts)`.
|
1040 |
|
1041 | Aliases: `Flow`
|
1042 |
|
1043 | - `params` (required)
|
1044 |
|
1045 | ### t.typeParameterInstantiation(params)
|
1046 |
|
1047 | See also `t.isTypeParameterInstantiation(node, opts)` and `t.assertTypeParameterInstantiation(node, opts)`.
|
1048 |
|
1049 | Aliases: `Flow`
|
1050 |
|
1051 | - `params` (required)
|
1052 |
|
1053 | ### t.typeofTypeAnnotation(argument)
|
1054 |
|
1055 | See also `t.isTypeofTypeAnnotation(node, opts)` and `t.assertTypeofTypeAnnotation(node, opts)`.
|
1056 |
|
1057 | Aliases: `Flow`
|
1058 |
|
1059 | - `argument` (required)
|
1060 |
|
1061 | ### t.unaryExpression(operator, argument, prefix)
|
1062 |
|
1063 | See also `t.isUnaryExpression(node, opts)` and `t.assertUnaryExpression(node, opts)`.
|
1064 |
|
1065 | Aliases: `UnaryLike`, `Expression`
|
1066 |
|
1067 | - `operator` (required)
|
1068 | - `argument`: `Expression` (required)
|
1069 | - `prefix`: `boolean` (default: `false`)
|
1070 |
|
1071 | ### t.unionTypeAnnotation(types)
|
1072 |
|
1073 | See also `t.isUnionTypeAnnotation(node, opts)` and `t.assertUnionTypeAnnotation(node, opts)`.
|
1074 |
|
1075 | Aliases: `Flow`
|
1076 |
|
1077 | - `types` (required)
|
1078 |
|
1079 | ### t.updateExpression(operator, argument, prefix)
|
1080 |
|
1081 | See also `t.isUpdateExpression(node, opts)` and `t.assertUpdateExpression(node, opts)`.
|
1082 |
|
1083 | Aliases: `Expression`
|
1084 |
|
1085 | - `operator` (required)
|
1086 | - `argument`: `Expression` (required)
|
1087 | - `prefix`: `boolean` (default: `false`)
|
1088 |
|
1089 | ### t.variableDeclaration(kind, declarations)
|
1090 |
|
1091 | See also `t.isVariableDeclaration(node, opts)` and `t.assertVariableDeclaration(node, opts)`.
|
1092 |
|
1093 | Aliases: `Statement`, `Declaration`
|
1094 |
|
1095 | - `kind`: `"var" | "let" | "const"` (required)
|
1096 | - `declarations`: `Array<VariableDeclarator>` (required)
|
1097 |
|
1098 | ### t.variableDeclarator(id, init)
|
1099 |
|
1100 | See also `t.isVariableDeclarator(node, opts)` and `t.assertVariableDeclarator(node, opts)`.
|
1101 |
|
1102 | - `id`: `LVal` (required)
|
1103 | - `init`: `Expression` (default: `null`)
|
1104 |
|
1105 | ### t.voidTypeAnnotation()
|
1106 |
|
1107 | See also `t.isVoidTypeAnnotation(node, opts)` and `t.assertVoidTypeAnnotation(node, opts)`.
|
1108 |
|
1109 | Aliases: `Flow`, `FlowBaseAnnotation`
|
1110 |
|
1111 |
|
1112 | ### t.whileStatement(test, body)
|
1113 |
|
1114 | See also `t.isWhileStatement(node, opts)` and `t.assertWhileStatement(node, opts)`.
|
1115 |
|
1116 | Aliases: `Statement`, `BlockParent`, `Loop`, `While`, `Scopable`
|
1117 |
|
1118 | - `test`: `Expression` (required)
|
1119 | - `body`: `BlockStatement | Statement` (required)
|
1120 |
|
1121 | ### t.withStatement(object, body)
|
1122 |
|
1123 | See also `t.isWithStatement(node, opts)` and `t.assertWithStatement(node, opts)`.
|
1124 |
|
1125 | Aliases: `Statement`
|
1126 |
|
1127 | - `object` (required)
|
1128 | - `body`: `BlockStatement` (required)
|
1129 |
|
1130 | ### t.yieldExpression(argument, delegate)
|
1131 |
|
1132 | See also `t.isYieldExpression(node, opts)` and `t.assertYieldExpression(node, opts)`.
|
1133 |
|
1134 | Aliases: `Expression`, `Terminatorless`
|
1135 |
|
1136 | - `argument`: `Expression` (default: `null`)
|
1137 | - `delegate`: `boolean` (default: `false`)
|
1138 |
|
1139 |
|
1140 |
|
1141 |
|