/** @packageDocumentation
 * @module OrbitGT
 */
import { Bounds } from "../../spatial/geom/Bounds";
import { AList } from "../../system/collection/AList";
import { BlockIndex } from "../model/BlockIndex";
import { GridIndex } from "../model/GridIndex";
import { TileIndex } from "../model/TileIndex";
import { Level } from "./Level";
/**
 * Class Block defines a block of tiles.
 *
 * @version 1.0 November 2015
 */
/** @internal */
export declare class Block {
    /** The index of the block */
    private _index;
    /** The full list of tiles in the block (can be null if the tile-list has not been loaded) */
    private _tileList;
    /** The map of tiles in the block */
    private _tileMap;
    /**
     * Create a new block.
     * @param index the index of the block.
     */
    constructor(index: BlockIndex);
    /**
     * Get the index of the block.
     * @return the index of the block.
     */
    getBlockIndex(): BlockIndex;
    /**
     * Get the spatial bounds of the block.
     * @param level the level to which the block belongs.
     * @return the spatial bounds of the block.
     */
    getBlockBounds(level: Level): Bounds;
    /**
     * Add a block to the list of blocks to load.
     * @param blocksToLoad the list of blocks to load.
     * @param block the block to add.
     */
    private static addToLoadList;
    /**
     * Set the tiles in the block.
     * @param tileList the list of tiles.
     */
    setTiles(tileList: Array<TileIndex>): void;
    /**
     * Have the tiles been set?
     * @return true if the tiles have been set.
     */
    hasTiles(): boolean;
    /**
     * List all tiles.
     * @param blocksToLoad the list of blocks to load.
     * @return all tiles (null if tiles are not loaded).
     */
    getTiles(blocksToLoad: AList<BlockIndex>): Array<TileIndex>;
    /**
     * Find a tile.
     * @param tileGridIndex the grid index of the tile.
     * @return the tile (null if not found).
     */
    findTile(tileGridIndex: GridIndex): TileIndex;
}
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