export declare function String(a: string): string;
export declare function Int(a: string): null | number;
export declare function BigInt(a: string): null | bigint;
export declare function Float(a: string): null | number;
export declare namespace Float {
    var DP: (dp: number) => (a: string) => number | null;
}
export declare const Bool: (a: string) => null | boolean;
export declare function Date(a: string): null | Date;
type P = typeof String | typeof Int | typeof Bool | typeof Date | typeof Float | typeof BigInt;
type R<F extends (...args: any[]) => any> = ReturnType<F>;
export declare function Array<T extends P>(t: T): (t: string) => R<T>[];
export declare function Tuple<A extends P>(a: A): (t: string) => [R<A>];
export declare function Tuple<A extends P, B extends P>(a: A, b: B): (t: string) => [R<A>, R<B>];
export declare function Tuple<A extends P, B extends P, C extends P>(a: A, b: B, c: C): (t: string) => [R<A>, R<B>, R<C>];
export declare function Tuple<A extends P, B extends P, C extends P, D extends P>(a: A, b: B, c: C, d: D): (t: string) => [R<A>, R<B>, R<C>, R<D>];
export declare function Tuple<A extends P, B extends P, C extends P, D extends P, E extends P>(a: A, b: B, c: C, d: D, e: E): (t: string) => [R<A>, R<B>, R<C>, R<D>, R<E>];
export declare function Regex(expression: RegExp): (a: string) => Record<string, null | string>;
export {};
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