export declare type None = null | undefined;
export interface Action {
    (): void;
}
export interface BindPromise<A, B> {
    (a: A): Promise<B>;
}
export interface Consumer<A> {
    (a: A): void;
}
export interface Func<A, B> {
    (a: A): B;
}
export interface FuncPromise<A, B> {
    (a: A): B | Promise<B>;
}
export interface Func2<A, B, C> {
    (a: A, b: B): C;
}
export interface Predicate<T> {
    (value: T): boolean;
}
export interface PredicatePromise<T> {
    (value: T): boolean | Promise<boolean>;
}
export interface Supplier<T> {
    (): T;
}
export interface SupplierPromise<T> {
    (): T | Promise<T>;
}
export interface OnFulfilled<T, TResult1 = T> {
    (value: T): TResult1 | PromiseLike<TResult1>;
}
export interface OnRejected<TResult2 = never> {
    (reason: any): TResult2 | PromiseLike<TResult2>;
}
export interface PromiseExecutor<T> {
    (resolve: (value: T | PromiseLike<T>) => void, reject: (reason?: any) => void): void;
}