import { Location } from './schema';
/** A map from locations to entities */
export default class LocationMap<T> {
    items: T[];
    width: number;
    height: number;
    constructor(width: number, height: number);
    private _validate(x, y);
    /**
     * Set a location to a value.
     */
    set(x: number, y: number, v: T): void;
    /**
     * Set a location to undefined.
     */
    delete(x: number, y: number): void;
    /**
     * Check if a location is not undefined.
     */
    has(x: number, y: number): boolean;
    /**
     * Get the entry stored at a location.
     */
    get(x: number, y: number): T | undefined;
    /**
     * Iterate through the values in the map.
     */
    values(): Array<T>;
    /**
     * Iterate through the (set) keys in the map.
     */
    keys(): Array<Location>;
    /**
     * Iterate through the entries in the map.
     */
    entries(): Array<[Location, T]>;
}