export declare function assertDictionaryOfPotentiallyUnsafeDate(name: string, mixed: any): ({
    [key: string]: Date;
}) | never;
export declare function assertDictionaryOfValidDate(name: string, mixed: any): ({
    [key: string]: Date;
}) | never;
export declare function assertDictionaryOfBefore(name: string, mixed: any, x: Date): ({
    [key: string]: Date;
}) | never;
export declare function assertDictionaryOfBeforeHandler(x: Date): (name: string, mixed: any) => ({
    [key: string]: Date;
}) | never;
export declare function assertDictionaryOfAfter(name: string, mixed: any, x: Date): ({
    [key: string]: Date;
}) | never;
export declare function assertDictionaryOfAfterHandler(x: Date): (name: string, mixed: any) => ({
    [key: string]: Date;
}) | never;
export declare function assertDictionaryOfBeforeOrAt(name: string, mixed: any, x: Date): ({
    [key: string]: Date;
}) | never;
export declare function assertDictionaryOfBeforeOrAtHandler(x: Date): (name: string, mixed: any) => ({
    [key: string]: Date;
}) | never;
export declare function assertDictionaryOfAfterOrAt(name: string, mixed: any, x: Date): ({
    [key: string]: Date;
}) | never;
export declare function assertDictionaryOfAfterOrAtHandler(x: Date): (name: string, mixed: any) => ({
    [key: string]: Date;
}) | never;
export declare function assertDictionaryOfRange(name: string, mixed: any, args: {
    min?: Date;
    max?: Date;
}): ({
    [key: string]: Date;
}) | never;
export declare function assertDictionaryOfRangeHandler(args: {
    min?: Date;
    max?: Date;
}): (name: string, mixed: any) => ({
    [key: string]: Date;
}) | never;