1 | /**
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2 | * Firebase Remote Config
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3 | *
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4 | * @packageDocumentation
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5 | */
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6 |
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7 | import { FirebaseApp } from '@firebase/app';
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8 |
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9 | /**
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10 | * Makes the last fetched config available to the getters.
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11 | * @param remoteConfig - The {@link RemoteConfig} instance.
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12 | * @returns A `Promise` which resolves to true if the current call activated the fetched configs.
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13 | * If the fetched configs were already activated, the `Promise` will resolve to false.
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14 | *
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15 | * @public
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16 | */
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17 | export declare function activate(remoteConfig: RemoteConfig): Promise<boolean>;
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18 |
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19 | /**
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20 | * Ensures the last activated config are available to the getters.
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21 | * @param remoteConfig - The {@link RemoteConfig} instance.
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22 | *
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23 | * @returns A `Promise` that resolves when the last activated config is available to the getters.
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24 | * @public
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25 | */
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26 | export declare function ensureInitialized(remoteConfig: RemoteConfig): Promise<void>;
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27 |
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28 | /**
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29 | *
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30 | * Performs fetch and activate operations, as a convenience.
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31 | *
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32 | * @param remoteConfig - The {@link RemoteConfig} instance.
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33 | *
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34 | * @returns A `Promise` which resolves to true if the current call activated the fetched configs.
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35 | * If the fetched configs were already activated, the `Promise` will resolve to false.
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36 | *
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37 | * @public
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38 | */
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39 | export declare function fetchAndActivate(remoteConfig: RemoteConfig): Promise<boolean>;
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40 |
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41 | /**
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42 | * Fetches and caches configuration from the Remote Config service.
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43 | * @param remoteConfig - The {@link RemoteConfig} instance.
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44 | * @public
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45 | */
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46 | export declare function fetchConfig(remoteConfig: RemoteConfig): Promise<void>;
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47 |
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48 | /**
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49 | * Summarizes the outcome of the last attempt to fetch config from the Firebase Remote Config server.
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50 | *
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51 | * <ul>
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52 | * <li>"no-fetch-yet" indicates the {@link RemoteConfig} instance has not yet attempted
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53 | * to fetch config, or that SDK initialization is incomplete.</li>
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54 | * <li>"success" indicates the last attempt succeeded.</li>
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55 | * <li>"failure" indicates the last attempt failed.</li>
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56 | * <li>"throttle" indicates the last attempt was rate-limited.</li>
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57 | * </ul>
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58 | *
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59 | * @public
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60 | */
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61 | export declare type FetchStatus = 'no-fetch-yet' | 'success' | 'failure' | 'throttle';
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62 |
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63 | /**
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64 | * Gets all config.
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65 | *
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66 | * @param remoteConfig - The {@link RemoteConfig} instance.
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67 | * @returns All config.
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68 | *
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69 | * @public
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70 | */
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71 | export declare function getAll(remoteConfig: RemoteConfig): Record<string, Value>;
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72 |
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73 | /**
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74 | * Gets the value for the given key as a boolean.
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75 | *
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76 | * Convenience method for calling <code>remoteConfig.getValue(key).asBoolean()</code>.
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77 | *
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78 | * @param remoteConfig - The {@link RemoteConfig} instance.
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79 | * @param key - The name of the parameter.
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80 | *
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81 | * @returns The value for the given key as a boolean.
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82 | * @public
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83 | */
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84 | export declare function getBoolean(remoteConfig: RemoteConfig, key: string): boolean;
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85 |
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86 | /**
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87 | * Gets the value for the given key as a number.
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88 | *
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89 | * Convenience method for calling <code>remoteConfig.getValue(key).asNumber()</code>.
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90 | *
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91 | * @param remoteConfig - The {@link RemoteConfig} instance.
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92 | * @param key - The name of the parameter.
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93 | *
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94 | * @returns The value for the given key as a number.
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95 | *
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96 | * @public
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97 | */
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98 | export declare function getNumber(remoteConfig: RemoteConfig, key: string): number;
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99 |
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100 | /**
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101 | *
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102 | * @param app - The {@link @firebase/app#FirebaseApp} instance.
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103 | * @returns A {@link RemoteConfig} instance.
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104 | *
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105 | * @public
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106 | */
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107 | export declare function getRemoteConfig(app?: FirebaseApp): RemoteConfig;
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108 |
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109 | /**
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110 | * Gets the value for the given key as a string.
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111 | * Convenience method for calling <code>remoteConfig.getValue(key).asString()</code>.
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112 | *
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113 | * @param remoteConfig - The {@link RemoteConfig} instance.
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114 | * @param key - The name of the parameter.
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115 | *
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116 | * @returns The value for the given key as a string.
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117 | *
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118 | * @public
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119 | */
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120 | export declare function getString(remoteConfig: RemoteConfig, key: string): string;
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121 |
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122 | /**
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123 | * Gets the {@link Value} for the given key.
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124 | *
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125 | * @param remoteConfig - The {@link RemoteConfig} instance.
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126 | * @param key - The name of the parameter.
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127 | *
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128 | * @returns The value for the given key.
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129 | *
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130 | * @public
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131 | */
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132 | export declare function getValue(remoteConfig: RemoteConfig, key: string): Value;
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133 |
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134 | /**
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135 | * This method provides two different checks:
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136 | *
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137 | * 1. Check if IndexedDB exists in the browser environment.
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138 | * 2. Check if the current browser context allows IndexedDB `open()` calls.
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139 | *
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140 | * @returns A `Promise` which resolves to true if a {@link RemoteConfig} instance
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141 | * can be initialized in this environment, or false if it cannot.
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142 | * @public
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143 | */
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144 | export declare function isSupported(): Promise<boolean>;
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145 |
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146 | /**
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147 | * Defines levels of Remote Config logging.
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148 | *
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149 | * @public
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150 | */
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151 | export declare type LogLevel = 'debug' | 'error' | 'silent';
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152 |
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153 | /**
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154 | * The Firebase Remote Config service interface.
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155 | *
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156 | * @public
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157 | */
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158 | export declare interface RemoteConfig {
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159 | /**
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160 | * The {@link @firebase/app#FirebaseApp} this `RemoteConfig` instance is associated with.
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161 | */
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162 | app: FirebaseApp;
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163 | /**
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164 | * Defines configuration for the Remote Config SDK.
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165 | */
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166 | settings: RemoteConfigSettings;
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167 | /**
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168 | * Object containing default values for configs.
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169 | */
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170 | defaultConfig: {
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171 | [key: string]: string | number | boolean;
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172 | };
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173 | /**
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174 | * The Unix timestamp in milliseconds of the last <i>successful</i> fetch, or negative one if
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175 | * the {@link RemoteConfig} instance either hasn't fetched or initialization
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176 | * is incomplete.
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177 | */
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178 | fetchTimeMillis: number;
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179 | /**
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180 | * The status of the last fetch <i>attempt</i>.
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181 | */
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182 | lastFetchStatus: FetchStatus;
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183 | }
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184 |
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185 | /**
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186 | * Defines configuration options for the Remote Config SDK.
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187 | *
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188 | * @public
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189 | */
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190 | export declare interface RemoteConfigSettings {
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191 | /**
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192 | * Defines the maximum age in milliseconds of an entry in the config cache before
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193 | * it is considered stale. Defaults to 43200000 (Twelve hours).
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194 | */
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195 | minimumFetchIntervalMillis: number;
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196 | /**
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197 | * Defines the maximum amount of milliseconds to wait for a response when fetching
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198 | * configuration from the Remote Config server. Defaults to 60000 (One minute).
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199 | */
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200 | fetchTimeoutMillis: number;
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201 | }
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202 |
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203 | /**
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204 | * Defines the log level to use.
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205 | *
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206 | * @param remoteConfig - The {@link RemoteConfig} instance.
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207 | * @param logLevel - The log level to set.
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208 | *
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209 | * @public
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210 | */
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211 | export declare function setLogLevel(remoteConfig: RemoteConfig, logLevel: LogLevel): void;
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212 |
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213 | /**
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214 | * Wraps a value with metadata and type-safe getters.
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215 | *
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216 | * @public
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217 | */
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218 | export declare interface Value {
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219 | /**
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220 | * Gets the value as a boolean.
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221 | *
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222 | * The following values (case insensitive) are interpreted as true:
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223 | * "1", "true", "t", "yes", "y", "on". Other values are interpreted as false.
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224 | */
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225 | asBoolean(): boolean;
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226 | /**
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227 | * Gets the value as a number. Comparable to calling <code>Number(value) || 0</code>.
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228 | */
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229 | asNumber(): number;
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230 | /**
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231 | * Gets the value as a string.
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232 | */
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233 | asString(): string;
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234 | /**
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235 | * Gets the {@link ValueSource} for the given key.
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236 | */
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237 | getSource(): ValueSource;
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238 | }
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239 |
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240 | /**
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241 | * Indicates the source of a value.
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242 | *
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243 | * <ul>
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244 | * <li>"static" indicates the value was defined by a static constant.</li>
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245 | * <li>"default" indicates the value was defined by default config.</li>
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246 | * <li>"remote" indicates the value was defined by fetched config.</li>
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247 | * </ul>
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248 | *
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249 | * @public
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250 | */
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251 | export declare type ValueSource = 'static' | 'default' | 'remote';
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252 |
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253 | export { }
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