1 | export declare type AnyFunction = (...args: any[]) => any;
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2 | export declare type AnyAsyncFunction = (...args: any[]) => Promise<any>;
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3 | export declare type AnyClass = new (...args: any[]) => any;
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4 | export declare type PlainObject = Record<string | number | symbol, any>;
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5 | declare type TypeGuard<A, B extends A> = (payload: A) => payload is B;
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6 | /**
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7 | * Returns the object type of the given payload
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8 | *
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9 | * @param {*} payload
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10 | * @returns {string}
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11 | */
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12 | export declare function getType(payload: any): string;
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13 | /**
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14 | * Returns whether the payload is undefined
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15 | *
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16 | * @param {*} payload
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17 | * @returns {payload is undefined}
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18 | */
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19 | export declare function isUndefined(payload: any): payload is undefined;
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20 | /**
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21 | * Returns whether the payload is null
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22 | *
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23 | * @param {*} payload
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24 | * @returns {payload is null}
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25 | */
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26 | export declare function isNull(payload: any): payload is null;
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27 | /**
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28 | * Returns whether the payload is a plain JavaScript object (excluding special classes or objects with other prototypes)
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29 | *
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30 | * @param {*} payload
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31 | * @returns {payload is PlainObject}
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32 | */
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33 | export declare function isPlainObject(payload: any): payload is PlainObject;
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34 | /**
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35 | * Returns whether the payload is a plain JavaScript object (excluding special classes or objects with other prototypes)
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36 | *
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37 | * @param {*} payload
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38 | * @returns {payload is PlainObject}
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39 | */
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40 | export declare function isObject(payload: any): payload is PlainObject;
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41 | /**
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42 | * Returns whether the payload is a an empty object (excluding special classes or objects with other prototypes)
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43 | *
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44 | * @param {*} payload
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45 | * @returns {payload is { [K in any]: never }}
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46 | */
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47 | export declare function isEmptyObject(payload: any): payload is {
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48 | [K in any]: never;
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49 | };
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50 | /**
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51 | * Returns whether the payload is a an empty object (excluding special classes or objects with other prototypes)
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52 | *
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53 | * @param {*} payload
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54 | * @returns {payload is PlainObject}
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55 | */
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56 | export declare function isFullObject(payload: any): payload is PlainObject;
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57 | /**
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58 | * Returns whether the payload is an any kind of object (including special classes or objects with different prototypes)
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59 | *
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60 | * @param {*} payload
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61 | * @returns {payload is PlainObject}
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62 | */
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63 | export declare function isAnyObject(payload: any): payload is PlainObject;
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64 | /**
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65 | * Returns whether the payload is an object like a type passed in < >
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66 | *
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67 | * Usage: isObjectLike<{id: any}>(payload) // will make sure it's an object and has an `id` prop.
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68 | *
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69 | * @template T this must be passed in < >
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70 | * @param {*} payload
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71 | * @returns {payload is T}
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72 | */
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73 | export declare function isObjectLike<T extends PlainObject>(payload: any): payload is T;
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74 | /**
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75 | * Returns whether the payload is a function (regular or async)
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76 | *
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77 | * @param {*} payload
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78 | * @returns {payload is AnyFunction}
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79 | */
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80 | export declare function isFunction(payload: any): payload is AnyFunction;
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81 | /**
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82 | * Returns whether the payload is an array
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83 | *
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84 | * @param {any} payload
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85 | * @returns {payload is any[]}
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86 | */
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87 | export declare function isArray(payload: any): payload is any[];
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88 | /**
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89 | * Returns whether the payload is a an array with at least 1 item
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90 | *
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91 | * @param {*} payload
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92 | * @returns {payload is any[]}
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93 | */
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94 | export declare function isFullArray(payload: any): payload is any[];
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95 | /**
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96 | * Returns whether the payload is a an empty array
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97 | *
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98 | * @param {*} payload
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99 | * @returns {payload is []}
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100 | */
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101 | export declare function isEmptyArray(payload: any): payload is [];
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102 | /**
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103 | * Returns whether the payload is a string
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104 | *
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105 | * @param {*} payload
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106 | * @returns {payload is string}
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107 | */
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108 | export declare function isString(payload: any): payload is string;
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109 | /**
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110 | * Returns whether the payload is a string, BUT returns false for ''
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111 | *
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112 | * @param {*} payload
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113 | * @returns {payload is string}
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114 | */
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115 | export declare function isFullString(payload: any): payload is string;
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116 | /**
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117 | * Returns whether the payload is ''
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118 | *
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119 | * @param {*} payload
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120 | * @returns {payload is string}
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121 | */
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122 | export declare function isEmptyString(payload: any): payload is string;
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123 | /**
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124 | * Returns whether the payload is a number (but not NaN)
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125 | *
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126 | * This will return `false` for `NaN`!!
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127 | *
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128 | * @param {*} payload
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129 | * @returns {payload is number}
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130 | */
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131 | export declare function isNumber(payload: any): payload is number;
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132 | /**
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133 | * Returns whether the payload is a positive number (but not 0)
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134 | *
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135 | * @param {*} payload
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136 | * @returns {payload is number}
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137 | */
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138 | export declare function isPositiveNumber(payload: any): payload is number;
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139 | /**
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140 | * Returns whether the payload is a negative number (but not 0)
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141 | *
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142 | * @param {*} payload
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143 | * @returns {payload is number}
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144 | */
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145 | export declare function isNegativeNumber(payload: any): payload is number;
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146 | /**
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147 | * Returns whether the payload is a boolean
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148 | *
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149 | * @param {*} payload
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150 | * @returns {payload is boolean}
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151 | */
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152 | export declare function isBoolean(payload: any): payload is boolean;
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153 | /**
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154 | * Returns whether the payload is a regular expression (RegExp)
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155 | *
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156 | * @param {*} payload
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157 | * @returns {payload is RegExp}
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158 | */
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159 | export declare function isRegExp(payload: any): payload is RegExp;
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160 | /**
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161 | * Returns whether the payload is a Map
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162 | *
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163 | * @param {*} payload
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164 | * @returns {payload is Map<any, any>}
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165 | */
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166 | export declare function isMap(payload: any): payload is Map<any, any>;
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167 | /**
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168 | * Returns whether the payload is a WeakMap
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169 | *
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170 | * @param {*} payload
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171 | * @returns {payload is WeakMap<any, any>}
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172 | */
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173 | export declare function isWeakMap(payload: any): payload is WeakMap<any, any>;
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174 | /**
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175 | * Returns whether the payload is a Set
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176 | *
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177 | * @param {*} payload
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178 | * @returns {payload is Set<any>}
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179 | */
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180 | export declare function isSet(payload: any): payload is Set<any>;
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181 | /**
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182 | * Returns whether the payload is a WeakSet
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183 | *
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184 | * @param {*} payload
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185 | * @returns {payload is WeakSet<any>}
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186 | */
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187 | export declare function isWeakSet(payload: any): payload is WeakSet<any>;
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188 | /**
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189 | * Returns whether the payload is a Symbol
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190 | *
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191 | * @param {*} payload
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192 | * @returns {payload is symbol}
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193 | */
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194 | export declare function isSymbol(payload: any): payload is symbol;
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195 | /**
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196 | * Returns whether the payload is a Date, and that the date is valid
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197 | *
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198 | * @param {*} payload
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199 | * @returns {payload is Date}
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200 | */
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201 | export declare function isDate(payload: any): payload is Date;
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202 | /**
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203 | * Returns whether the payload is a Blob
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204 | *
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205 | * @param {*} payload
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206 | * @returns {payload is Blob}
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207 | */
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208 | export declare function isBlob(payload: any): payload is Blob;
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209 | /**
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210 | * Returns whether the payload is a File
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211 | *
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212 | * @param {*} payload
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213 | * @returns {payload is File}
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214 | */
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215 | export declare function isFile(payload: any): payload is File;
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216 | /**
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217 | * Returns whether the payload is a Promise
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218 | *
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219 | * @param {*} payload
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220 | * @returns {payload is Promise<any>}
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221 | */
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222 | export declare function isPromise(payload: any): payload is Promise<any>;
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223 | /**
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224 | * Returns whether the payload is an Error
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225 | *
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226 | * @param {*} payload
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227 | * @returns {payload is Error}
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228 | */
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229 | export declare function isError(payload: any): payload is Error;
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230 | /**
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231 | * Returns whether the payload is literally the value `NaN` (it's `NaN` and also a `number`)
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232 | *
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233 | * @param {*} payload
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234 | * @returns {payload is typeof NaN}
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235 | */
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236 | export declare function isNaNValue(payload: any): payload is typeof NaN;
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237 | /**
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238 | * Returns whether the payload is a primitive type (eg. Boolean | Null | Undefined | Number | String | Symbol)
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239 | *
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240 | * @param {*} payload
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241 | * @returns {(payload is boolean | null | undefined | number | string | symbol)}
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242 | */
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243 | export declare function isPrimitive(payload: any): payload is boolean | null | undefined | number | string | symbol;
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244 | /**
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245 | * Returns true whether the payload is null or undefined
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246 | *
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247 | * @param {*} payload
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248 | * @returns {(payload is null | undefined)}
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249 | */
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250 | export declare const isNullOrUndefined: TypeGuard<any, null | undefined>;
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251 | export declare function isOneOf<A, B extends A, C extends A>(a: TypeGuard<A, B>, b: TypeGuard<A, C>): TypeGuard<A, B | C>;
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252 | export declare function isOneOf<A, B extends A, C extends A, D extends A>(a: TypeGuard<A, B>, b: TypeGuard<A, C>, c: TypeGuard<A, D>): TypeGuard<A, B | C | D>;
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253 | export declare function isOneOf<A, B extends A, C extends A, D extends A, E extends A>(a: TypeGuard<A, B>, b: TypeGuard<A, C>, c: TypeGuard<A, D>, d: TypeGuard<A, E>): TypeGuard<A, B | C | D | E>;
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254 | export declare function isOneOf<A, B extends A, C extends A, D extends A, E extends A, F extends A>(a: TypeGuard<A, B>, b: TypeGuard<A, C>, c: TypeGuard<A, D>, d: TypeGuard<A, E>, e: TypeGuard<A, F>): TypeGuard<A, B | C | D | E | F>;
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255 | /**
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256 | * Does a generic check to check that the given payload is of a given type.
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257 | * In cases like Number, it will return true for NaN as NaN is a Number (thanks javascript!);
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258 | * It will, however, differentiate between object and null
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259 | *
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260 | * @template T
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261 | * @param {*} payload
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262 | * @param {T} type
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263 | * @throws {TypeError} Will throw type error if type is an invalid type
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264 | * @returns {payload is T}
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265 | */
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266 | export declare function isType<T extends AnyFunction | AnyClass>(payload: any, type: T): payload is T;
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267 | export {};
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