import { Slot } from '@revesuite/global/utils';
import type { BlockSuiteDoc, BlockSuiteDocData } from '../../yjs/index.js';
import type { YBlock } from '../page.js';
type PageId = string;
export type IndexBlockEvent = {
    pageId: PageId;
    blockId: string;
    action: 'add' | 'update';
    block: YBlock;
} | {
    pageId: PageId;
    blockId: string;
    action: 'delete';
    block?: undefined;
};
export declare class BlockIndexer {
    private readonly _doc;
    private readonly _workspaceSlots;
    private _disposables;
    slots: {
        pageRemoved: Slot<string>;
        /**
         * Note: sys:children update will not trigger event
         */
        blockUpdated: Slot<IndexBlockEvent>;
        refreshIndex: Slot<void>;
    };
    constructor(doc: BlockSuiteDoc<BlockSuiteDocData>, { immediately, slots, }: {
        readonly slots: {
            pageAdded: Slot<string>;
            pageRemoved: Slot<string>;
        };
        immediately?: boolean;
    });
    private _initIndex;
    private _indexPage;
    private _indexBlock;
    private _yPageObserver;
    private _getPage;
    refreshIndex(): void;
    dispose(): void;
}
export {};
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