export declare function assertMaybeDictionaryOfPotentiallyUnsafeDateString(name: string, mixed: any): (null | undefined | ({
    [key: string]: string;
})) | never;
export declare function assertMaybeDictionaryOfValidDateString(name: string, mixed: any): (null | undefined | ({
    [key: string]: string;
})) | never;
export declare function assertMaybeDictionaryOfBeforeString(name: string, mixed: any, x: Date): (null | undefined | ({
    [key: string]: string;
})) | never;
export declare function assertMaybeDictionaryOfBeforeStringHandler(x: Date): (name: string, mixed: any) => (null | undefined | ({
    [key: string]: string;
})) | never;
export declare function assertMaybeDictionaryOfAfterString(name: string, mixed: any, x: Date): (null | undefined | ({
    [key: string]: string;
})) | never;
export declare function assertMaybeDictionaryOfAfterStringHandler(x: Date): (name: string, mixed: any) => (null | undefined | ({
    [key: string]: string;
})) | never;
export declare function assertMaybeDictionaryOfBeforeOrAtString(name: string, mixed: any, x: Date): (null | undefined | ({
    [key: string]: string;
})) | never;
export declare function assertMaybeDictionaryOfBeforeOrAtStringHandler(x: Date): (name: string, mixed: any) => (null | undefined | ({
    [key: string]: string;
})) | never;
export declare function assertMaybeDictionaryOfAfterOrAtString(name: string, mixed: any, x: Date): (null | undefined | ({
    [key: string]: string;
})) | never;
export declare function assertMaybeDictionaryOfAfterOrAtStringHandler(x: Date): (name: string, mixed: any) => (null | undefined | ({
    [key: string]: string;
})) | never;
export declare function assertMaybeDictionaryOfRangeString(name: string, mixed: any, args: {
    min?: Date;
    max?: Date;
}): (null | undefined | ({
    [key: string]: string;
})) | never;
export declare function assertMaybeDictionaryOfRangeStringHandler(args: {
    min?: Date;
    max?: Date;
}): (name: string, mixed: any) => (null | undefined | ({
    [key: string]: string;
})) | never;