export type VoxelCoord = readonly [number, number, number];
export type VoxelFace = "px" | "nx" | "py" | "ny" | "pz" | "nz";
export interface VoxelFieldConfig {
    chunkSize?: number;
}
export interface VoxelCell<T extends string = string> {
    x: number;
    y: number;
    z: number;
    type: T;
}
export interface VoxelHit<T extends string = string> {
    x: number;
    y: number;
    z: number;
    type: T;
    face: VoxelFace;
    adjacent: VoxelCoord;
    distance: number;
}
export interface VoxelBounds {
    min: VoxelCoord;
    max: VoxelCoord;
}
export interface VoxelFieldSummary<T extends string = string> {
    blocks: number;
    types: Record<T, number>;
    bounds: VoxelBounds | null;
}
export interface VoxelField<T extends string = string> {
    set(x: number, y: number, z: number, type: T): boolean;
    remove(x: number, y: number, z: number): boolean;
    get(x: number, y: number, z: number): T | null;
    has(x: number, y: number, z: number): boolean;
    fill(min: VoxelCoord, max: VoxelCoord, type: T): number;
    clear(): void;
    count(): number;
    cells(): IterableIterator<VoxelCell<T>>;
    bounds(): VoxelBounds | null;
    neighbors(x: number, y: number, z: number): VoxelCell<T>[];
    exposedFaces(x: number, y: number, z: number): readonly VoxelFace[];
    raycast(origin: VoxelCoord, direction: VoxelCoord, maxDistance: number): VoxelHit<T> | null;
    chunkOf(x: number, y: number, z: number): {
        cx: number;
        cy: number;
        cz: number;
    };
    chunkVersion(cx: number, cy: number, cz: number): number;
    subscribe(listener: () => void): () => void;
    summary(): VoxelFieldSummary<T>;
}
export declare const VOXEL_FACES: readonly VoxelFace[];
export declare const VOXEL_FACE_NORMALS: Record<VoxelFace, VoxelCoord>;
export declare function createVoxelField<T extends string = string>(config?: VoxelFieldConfig): VoxelField<T>;