interface Matcher {
(input: Input, fields: Fields): boolean;
}
interface StringMapper {
(input: string): any;
}
declare type ErrorContent = string | StringMapper;
export declare function lengthMoreThan(length: number): (input: {
length: number;
}) => boolean;
export declare function lengthLessThan(length: number): (input: {
length: number;
}) => boolean;
export declare function isNumericString(input: string): boolean;
export declare function isEmpty(input: any): boolean;
export declare function isEmptyString(input: string): boolean;
export declare function not, R>(fn: (...a: A) => R): (...args: A) => boolean;
export declare function validateNested(validatorDictionary: any): (input: Input, fields: Fields) => any;
export declare function validateList(validatorDictionary: any): (input: Input[], fields: Fields) => any[] | undefined;
export declare function validate(matcher: Matcher, errorContent: ErrorContent): (input: Input) => ErrorContent | undefined | void;
export declare function validateRequired(matcher: Matcher, errorContent: ErrorContent): (input: Input) => ErrorContent | undefined | void;
declare const validators: {
lengthMoreThan(length: number, errorContent: ErrorContent): (input: {
length: number;
}) => string | void | StringMapper | undefined;
lengthLessThan(length: number, errorContent: ErrorContent): (input: {
length: number;
}) => string | void | StringMapper | undefined;
numericString(errorContent: ErrorContent): (input: string) => string | void | StringMapper | undefined;
nonNumericString(errorContent: ErrorContent): (input: string) => string | void | StringMapper | undefined;
requiredString(errorContent: ErrorContent): (input: string) => string | void | StringMapper | undefined;
required(errorContent: ErrorContent): (input: any) => string | void | StringMapper | undefined;
};
export default validators;