import * as check from "../../../../sync/check/string";
export declare type MaybeStringErrorCodeType = check.StringErrorCode;
export declare function checkMaybeString(mixed: any): undefined | MaybeStringErrorCodeType;
export declare type MaybeMinLengthErrorCodeType = check.MinLengthErrorCodeType;
export declare function checkMaybeMinLength(mixed: any, min: number): undefined | MaybeMinLengthErrorCodeType;
export declare type MaybeMaxLengthErrorCodeType = check.MaxLengthErrorCodeType;
export declare function checkMaybeMaxLength(mixed: any, max: number): undefined | MaybeMaxLengthErrorCodeType;
export declare type MaybeLengthErrorCodeType = check.LengthErrorCodeType;
export declare function checkMaybeLength(mixed: any, args: {
    min?: number;
    max?: number;
}): undefined | MaybeLengthErrorCodeType;
export declare type MaybeNonEmptyErrorCodeType = check.NonEmptyErrorCodeType;
export declare function checkMaybeNonEmpty(mixed: any): undefined | MaybeNonEmptyErrorCodeType;
export declare type MaybeContainsErrorCodeType = check.ContainsErrorCodeType;
export declare function checkMaybeContains(mixed: any, x: string): undefined | MaybeContainsErrorCodeType;
export declare type MaybeNoDuplicateErrorCodeType = check.NoDuplicateErrorCodeType;
export declare function checkMaybeNoDuplicate(mixed: any): undefined | MaybeNoDuplicateErrorCodeType;
export declare type MaybeNotAllWhitespaceErrorCodeType = check.StringErrorCode | check.NotAllWhitespaceErrorCode;
export declare function checkMaybeNotAllWhitespace(mixed: any): undefined | MaybeNotAllWhitespaceErrorCodeType;
export declare type MaybeNonEmptyAndNotAllWhitespaceErrorCodeType = check.StringErrorCode | check.NonEmptyErrorCodeType | check.NotAllWhitespaceErrorCode;
export declare function checkMaybeNonEmptyAndNotAllWhitespace(mixed: any): undefined | MaybeNonEmptyAndNotAllWhitespaceErrorCodeType;
export declare type MaybeMatchErrorCodeType = check.StringErrorCode | check.MatchErrorCode;
export declare function checkMaybeMatch(mixed: any, regex: RegExp): undefined | MaybeMatchErrorCodeType;
export declare type MaybeEmailErrorCodeType = check.StringErrorCode | check.EmailErrorCode;
export declare function checkMaybeEmail(mixed: any): undefined | MaybeEmailErrorCodeType;
export declare type MaybeNotOneOfErrorCodeType = check.NotOneOfErrorTypeCode;
export declare function checkMaybeNotOneOf<T extends string>(mixed: any, arr: T[]): undefined | MaybeNotOneOfErrorCodeType;
export declare type MaybeBase64ErrorCodeType = check.StringErrorCode | check.Base64ErrorCode;
export declare function checkMaybeBase64(mixed: any): undefined | MaybeBase64ErrorCodeType;
export declare type MaybeJsonErrorCodeType = check.StringErrorCode | check.JsonErrorCode;
export declare function checkMaybeJson(mixed: any): undefined | MaybeJsonErrorCodeType;