import type { State } from './state';
import { KHz, Key, NumberQuad, Piece } from './types';
export type Mutation<A> = (state: State) => A;
export type AnimVector = NumberQuad;
export type AnimVectors = Map<Key, AnimVector>;
export type AnimFadings = Map<Key, Piece>;
export interface AnimPlan {
    anims: AnimVectors;
    fadings: AnimFadings;
}
export interface AnimCurrent {
    start: DOMHighResTimeStamp;
    frequency: KHz;
    plan: AnimPlan;
}
export declare function anim<A>(mutation: Mutation<A>, state: State): A;
export declare function render<A>(mutation: Mutation<A>, state: State): A;