type ValidationFunction = (x: any) => string | undefined;
export declare const validateArgs: (args: {
    value: any;
    name: string;
    func: ValidationFunction;
}[]) => string | undefined;
export declare const validateString: (s: any) => string | undefined;
export declare const validateStringArray: (a: any) => string | undefined;
export declare const validateObject: (o: any) => string | undefined;
export declare const validateDate: (date: any) => string | undefined;
export {};