import { Getter } from '../types/getter.js';
import type { ILabel, IValueModel } from './types.js';
export declare function withLabel<T, TModel extends IValueModel<T>, TLabel = string>(model: TModel, label: Getter<TLabel>): TModel & ILabel<TLabel>;
export declare function inject<T, TModel extends IValueModel<T>>(model: TModel, source: IValueModel<T>): TModel;
/**
 * Adds callbacks to setter and getter of the 'value' property of a model. DOES NOT override previous spies (all spies are in charge).
 *
 * Useful mostly for debugging.
 * */
export declare function spyModel<T, TModel extends (IValueModel<T> & object)>(model: TModel, spySetter: (v: T) => void, spyGetter?: (v: T) => void): void;
export declare function wrap<TSource, TRes>(model: TSource, getter: (m: TSource) => TRes, setter: (v: TRes, model: TSource) => void): IValueModel<TRes>;
type LabeledModel<T, TModel extends IValueModel<T>, TLabel = string> = TModel & ILabel<TLabel>;
interface LabeledModelCtor<T, TModel extends IValueModel<T>, TLabel = string> {
    new (label?: Getter<TLabel>, initial?: T): LabeledModel<T, TModel, TLabel>;
}
export declare function mixinLabel<T, TModel extends IValueModel<T>, TLabel = string>(Superclass: new (initial?: T) => TModel): LabeledModelCtor<T, TModel, TLabel>;
export {};