/** Callback receiving each voxel's coordinates and id during iteration. */
export type VoxelVisitor = (x: number, y: number, z: number, id: number) => void;
/**
 * Cubic voxel chunk: flat `Uint16Array` storage with bounds-checked
 * accessors. Id `0` is empty; any other id is a solid voxel (and indexes
 * the meshing palette).
 *
 * @example
 * const chunk = new VoxelChunk(16)
 * chunk.set(0, 0, 0, 1)
 * const geometry = greedyMesh(chunk)
 */
export declare class VoxelChunk {
    readonly size: number;
    readonly data: Uint16Array;
    constructor(size: number);
    private _idx;
    get(x: number, y: number, z: number): number;
    set(x: number, y: number, z: number, id: number): void;
    fill(id: number): void;
    forEach(cb: VoxelVisitor): void;
}
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