export interface Matcher<T, P = any> {
    (value: any): boolean;
    metadata: MatcherMetadata<T, P>;
}
export interface MatcherFactory<T, P> {
    (options: P): Matcher<T, P>;
}
export interface MatcherMetadata<T, P = never> {
    name: string;
    type: Matcher<T, never> | MatcherFactory<T, P>;
    options: P;
}
export declare type ShapeFields<T> = {
    [key in keyof T]: Matcher<T[key], any>;
};