export declare function isMaybeDictionaryOfString(mixed: any): mixed is null | undefined | ({
    [key: string]: string;
});
export declare function isMaybeDictionaryOfMinLength(mixed: any, min: number): mixed is null | undefined | ({
    [key: string]: string;
});
export declare function isMaybeDictionaryOfMaxLength(mixed: any, max: number): mixed is null | undefined | ({
    [key: string]: string;
});
export declare function isMaybeDictionaryOfLength(mixed: any, args: {
    min?: number;
    max?: number;
}): mixed is null | undefined | ({
    [key: string]: string;
});
export declare function isMaybeDictionaryOfNonEmpty(mixed: any): mixed is null | undefined | ({
    [key: string]: string;
});
export declare function isMaybeDictionaryOfContains(mixed: any, x: string): mixed is null | undefined | ({
    [key: string]: string;
});
export declare function isMaybeDictionaryOfNoDuplicate(mixed: any): mixed is null | undefined | ({
    [key: string]: string;
});
export declare function isMaybeDictionaryOfNotAllWhitespace(mixed: any): mixed is null | undefined | ({
    [key: string]: string;
});
export declare function isMaybeDictionaryOfNonEmptyAndNotAllWhitespace(mixed: any): mixed is null | undefined | ({
    [key: string]: string;
});
export declare function isMaybeDictionaryOfMatch(mixed: any, regex: RegExp): mixed is null | undefined | ({
    [key: string]: string;
});
export declare function isMaybeDictionaryOfEmail(mixed: any): mixed is null | undefined | ({
    [key: string]: string;
});
export declare function isMaybeDictionaryOfNotOneOf<T extends string>(mixed: any, arr: T[]): mixed is null | undefined | ({
    [key: string]: string;
});
export declare function isMaybeDictionaryOfBase64(mixed: any): mixed is null | undefined | ({
    [key: string]: string;
});
export declare function isMaybeDictionaryOfJson(mixed: any): mixed is null | undefined | ({
    [key: string]: string;
});