/**
 * Simplest state container interface.
 */
export interface StateContainer<T> {
    /** Get value. */
    get(): T;
    /** Set value. */
    set(value: T): void;
}
/**
 * Simplest subscribable interface.
 */
export interface Subscribable {
    /**
     * Subscribe.
     * @param listener Function.
     * @returns Unsubscribe function.
     */
    subscribe(listener: VoidFunction): VoidFunction;
}
/**
 * "Store" - subscribable state container.
 */
export interface Store<T> extends Subscribable, StateContainer<T> {
}