import { Vector } from "./vector";
export interface StackedSpace<A> {
    get(pos: Vector): A[];
    set(pos: Vector, objects: A[]): void;
    add(pos: Vector, object: A): void;
    retain(pos: Vector, predicate: (a: A) => boolean): void;
}
export declare class DiscreteStackedSpace<A> implements StackedSpace<A> {
    private readonly objects;
    get(pos: Vector): A[];
    set(pos: Vector, objects: A[]): void;
    add(pos: Vector, object: A): void;
    retain(pos: Vector, predicate: (a: A) => boolean): void;
}
export declare class SubStackedSpace<A> implements StackedSpace<A> {
    readonly space: StackedSpace<A>;
    readonly transform: (pos: Vector) => Vector;
    constructor(space: StackedSpace<A>, transform: (pos: Vector) => Vector);
    get(pos: Vector): A[];
    set(pos: Vector, objects: A[]): void;
    add(pos: Vector, object: A): void;
    retain(pos: Vector, predicate: (a: A) => boolean): void;
}