export declare const __DEV__: boolean;
export declare function isNumber(value: any): value is number;
export declare function isArray<T>(value: any): value is Array<T>;
export declare function isObject(value: any): value is Record<string, any>;
export declare function isFunction<T extends Function = Function>(value: any): value is T;
export declare function isNull(value: any): value is null;
export declare function isString(value: any): value is string;
export declare function isUndefined(value: any): value is undefined;
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