/// <reference types="screeps" />
import { Coordinates, RoomName } from "../position";
/**
 * Check if terrain value is wall
 * @param terrain {@link RoomTerrain.get} value
 * @returns is a terrain wall
 */
export declare const isTerrainWall: (terrain: number) => boolean;
/**
 * Check if positions are {@link TERRAIN_MASK_SWAMP}
 * @returns a function to check terrain at position
 */
export declare function getIsSwamp(): ({ x, y, roomName }: RoomPosition) => boolean;
/**
 * Check than coordinates are not {@link TERRAIN_MASK_WALL}
 * @param roomName target room name
 * @returns a function to check terrain at coordinates
 */
export declare function getIsTerrainWalkable(roomName: string): ({ x, y }: Coordinates) => boolean;
/**
 * Check than position is not {@link TERRAIN_MASK_WALL}
 * @param p target position
 * @returns can walk at position terrain
 */
export declare function isTerrainWalkableAt(p: RoomPosition): boolean;
/**
 * Get exits coordinates from room name
 * @param name target room name
 * @yields exits coordinates
 */
export declare function getExits(name: RoomName): Generator<{
    x: number;
    y: number;
}, void, unknown>;