import { Application, Block, BlockManager, ContentRelationInfo, Relations, ResourceUpdateInfo } from '@foxpage/foxpage-types';
import { ManagerBaseImpl } from '../common';
import { BlockInstance } from './block';
/**
 * block manager
 *
 * @export
 * @class BlockManager
 */
export declare class BlockManagerImpl extends ManagerBaseImpl<Block> implements BlockManager {
    constructor(app: Application);
    /**
     * add block to manager
     *
     * @param {Block} block
     */
    addBlock(block: Block): BlockInstance;
    /**
     * remove block from manager
     *
     * @param {string[]} blockIds
     */
    removeBlocks(blockIds: string[]): void;
    /**
     * get block from local first
     * no exist will fetch from  server
     *
     * @param {string} blockId
     * @return {*}  {(Block | undefined)}
     */
    getBlock(blockId: string): Promise<Block | undefined>;
    /**
     * get blocks
     *
     * @param {string[]} blockIds
     * @return {*}  {Promise<Block[]>}
     */
    getBlocks(blockIds: string[]): Promise<Block[]>;
    /**
     * fetch draft blocks
     *
     * @param {string[]} blockIds
     * @return {*}  {Promise<ContentRelationInfo[]>}
     */
    getDraftBlocks(blockIds: string[]): Promise<ContentRelationInfo[]>;
    /**
     * fetch draft blocks
     *
     * @param {string[]} blockId
     * @param {number} version
     * @return {*}  {Promise<ContentRelationInfo>}
     */
    getPreviewBlocks(blockId: string, version: number): Promise<ContentRelationInfo>;
    /**
     * fetch blocks from server
     *
     * @return {*}  {Promise<Block[]>}
     */
    freshBlocks(blockIds?: string[]): Promise<Block[]>;
    /**
     * first request block will return the all relations
     *
     * @protected
     * @param {string[]} blockIds
     */
    protected onFetch(blockIds: string[]): Promise<BlockInstance[]>;
    protected onPull(data: ResourceUpdateInfo): Promise<void>;
    protected onStash(data: Relations): void;
    protected createInstance(data: Block): Promise<BlockInstance>;
    private newBlock;
}