export declare const getType: (value: any) => string;
export declare const isNull: (value: any) => value is null;
export declare const isUndefined: (value: any) => value is undefined;
export declare const isBoolean: (value: any) => value is boolean;
export declare const isNumber: (value: any) => value is number;
export declare const isString: (value: any) => value is string;
export declare const isArray: <T>(value: any) => value is Array<T>;
export declare const isObject: (value: any) => value is Record<string, any>;
export declare const isPromise: <T>(value: any) => value is Promise<T>;
export declare const isRegExp: (value: any) => value is RegExp;
export declare const isDate: (value: any) => value is Date;
export declare const isSymbol: (value: any) => value is symbol;
export declare const isFunction: (value: any) => value is (...args: any[]) => ReturnType<typeof value>;