export declare type TransformableFn<P, R> = (pred: P) => R;
export declare type Transformer<T, TT> = (arg: T) => TT;
export declare function transformable<A, PA, R>(fn: TransformableFn<PA, R>, args: A): (transform: Transformer<A, PA>) => R;
/**
 * @param i start number
*/
export declare function numberSeqGenerator(i?: number): Generator<number, void, unknown>;
export interface NameGen {
    next(): string;
}
export declare type BuildNameGen<Brand = unknown> = (startI?: number) => NameGen & Brand;
export declare function buildNameGen(prefix: string, startI?: number): NameGen;