/**
 * Helper function to remove all naturally spawning entities and grid entities from a room. Notably,
 * this will not remove players (1), tears (2), familiars (3), lasers (7), knives (8), projectiles
 * (9), blacklisted NPCs such as Dark Esau, charmed NPCs, friendly NPCs, persistent NPCs, most
 * effects (1000), doors, and walls.
 */
export declare function emptyRoom(): void;
/** Helper function to remove all grid entities from a room except for doors and walls. */
export declare function emptyRoomGridEntities(): void;
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