import { Vector3 } from 'three';
import { Block, BlockData, BlockType, SpawnType, PatchBlock, SpawnCategory } from '../utils/common_types.js';
import { ChunkHeightBuffer, ChunkDataContainer, ChunkMask, ChunkMetadata, ChunkSharedContainer, ChunkStub } from '../datacontainers/ChunkContainer.js';
import { GroundPatch } from '../processing/GroundPatch.js';
import { Biome } from '../procgen/Biome.js';
import { BlockDataAdapter, ChunkBlockData, ChunkDataAdapter } from '../datacontainers/BlockDataAdapter.js';
import { WorldModules } from './WorldModules.js';
export declare class ChunkBlocksContainer extends ChunkDataContainer<ChunkBlockData> {
    static dataAdapter: ChunkDataAdapter;
    dataAdapter: BlockDataAdapter<ChunkBlockData>;
}
export declare const getSolidBlock: (blockType: BlockType, isCheckerBlock?: boolean) => ChunkBlockData;
export declare class GroundChunk extends ChunkBlocksContainer {
    generateHeightBuffer(block: PatchBlock, ymin: number, ymax: number, biome: Biome): ChunkHeightBuffer<ChunkBlockData> | undefined;
    bake(worldModules: WorldModules, groundLayer?: GroundPatch, cavesMask?: ChunkMask): void;
}
/**
 * Underground chunk (caverns)
 */
export declare class CavesMask extends ChunkMask {
    bake(worldModules: WorldModules): void;
}
/**
 * Spawn chunks
 */
export type SpawnMetadata = {
    spawnType: SpawnType;
    spawnCat: SpawnCategory;
    spawnRadius: number;
    spawnOrigin?: Vector3;
};
export type SpawnChunkMetadata = ChunkMetadata & SpawnMetadata;
export type SpawnChunkStub = ChunkStub<SpawnChunkMetadata>;
export type SpawnData = {
    spawnOrigin: Vector3;
    spawnType: SpawnType;
};
export declare class SpawnChunk extends ChunkSharedContainer<ChunkBlockData> {
    static dataAdapter: ChunkDataAdapter;
    dataAdapter: BlockDataAdapter<ChunkBlockData>;
    protected rawData: Uint16Array<ArrayBufferLike>;
    spawnOrigin: Vector3 | undefined;
    spawnType: SpawnType;
    spawnCat: SpawnCategory;
    constructor({ metadata, rawdata: externalData }: SpawnChunkStub, spawnOrigin?: Vector3);
    retrieveBottomBlocks(blocksProvider: (input: Vector3[]) => Block<BlockData>[]): Block<BlockData>[];
    /**
     *  adjust chunk elevation or discard schematics if above terrain hole
     * @param itemChunk
     * @returns
     */
    fitGround(blocksProvider: (input: Vector3[]) => Block<BlockData>[]): boolean;
    getUpperBlock(worldPos: Vector3): {
        level: number;
        type: BlockType;
    } | null;
    toStub(): SpawnChunkStub;
    toLightStub(): SpawnData;
}