export type Nominal<K, T extends string> = K & {
    __brand: T;
    toString: () => string;
};
export type ValueOf<T> = T[keyof T];
export type KeyValueTuple<T> = {
    [K in keyof T]: [K, T[K]];
}[keyof T];
export type Callable<T = unknown, A extends Array<unknown> = Array<unknown>> = (...args: A) => T;
export type TypeGuard<T> = (input: unknown) => input is T;
export type Guarded<T> = T extends TypeGuard<infer S> ? S : never;
export type TypeDefinition<T> = TypeGuard<T> | string | Set<T> | RegExp | {
    [K in keyof T]: TypeDefinition<T[K]>;
};
export type TypeChecker<T> = TypeGuard<T> & {
    test(this: TypeChecker<T>, input: unknown, route?: Array<string | number | symbol>): Error | null;
    serialize(depth: number, done: Map<object, string>): Generator<string>;
    toString(): string;
};