import { BlockModel, type DraftModel, type Store } from '../model/index.js';
import type { Schema } from '../schema/index.js';
import { AssetsManager } from './assets.js';
import type { TransformerMiddleware } from './middleware.js';
import { Slice } from './slice.js';
import type { BlobCRUD, BlockSnapshot, DocCRUD, DocSnapshot, SliceSnapshot } from './type.js';
export type TransformerOptions = {
    schema: Schema;
    blobCRUD: BlobCRUD;
    docCRUD: DocCRUD;
    middlewares?: TransformerMiddleware[];
};
export declare class Transformer {
    private readonly _adapterConfigs;
    private readonly _transformerConfigs;
    private readonly _assetsManager;
    private readonly _schema;
    private readonly _docCRUD;
    private readonly _disposables;
    private readonly _slots;
    blockToSnapshot: (model: DraftModel | BlockModel) => BlockSnapshot | undefined;
    docToSnapshot: (doc: Store) => DocSnapshot | undefined;
    sliceToSnapshot: (slice: Slice) => SliceSnapshot | undefined;
    snapshotToBlock: (snapshot: BlockSnapshot, doc: Store, parent?: string, index?: number) => Promise<BlockModel | undefined>;
    snapshotToDoc: (snapshot: DocSnapshot) => Promise<Store | undefined>;
    snapshotToModelData: (snapshot: BlockSnapshot) => Promise<import("./base.js").SnapshotNode<object> | undefined>;
    snapshotToSlice: (snapshot: SliceSnapshot, doc: Store, parent?: string, index?: number) => Promise<Slice | undefined>;
    walk: (snapshot: DocSnapshot, callback: (block: BlockSnapshot) => void) => void;
    get adapterConfigs(): Map<string, string>;
    get assets(): Map<string, Blob>;
    get assetsManager(): AssetsManager;
    get schema(): Schema;
    get docCRUD(): DocCRUD;
    constructor({ blobCRUD, schema, docCRUD, middlewares, }: TransformerOptions);
    private _blockToSnapshot;
    private _convertFlatSnapshots;
    private _convertSnapshotToDraftModel;
    private _exportDocMeta;
    private _flattenSnapshot;
    private _getSchema;
    private _getTransformer;
    private _insertBlockTree;
    private _rebuildBlockTree;
    private _snapshotToBlock;
    private _triggerBeforeImportEvent;
    reset(): void;
    [Symbol.dispose](): void;
}
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