import { INotebookDocumentMetadataTextModel, INotebookTextModel, NotebookDocumentMetadata, TransientDocumentMetadata } from "../notebookCommon.js";
import { Disposable } from "../../../../../base/common/lifecycle.js";
import { URI } from "../../../../../base/common/uri.js";
import { ITextBuffer } from "../../../../../editor/common/model.js";
export declare function getFormattedNotebookMetadataJSON(transientMetadata: TransientDocumentMetadata | undefined, metadata: NotebookDocumentMetadata): string;
export declare class NotebookDocumentMetadataTextModel extends Disposable implements INotebookDocumentMetadataTextModel {
    readonly notebookModel: INotebookTextModel;
    readonly uri: URI;
    get metadata(): NotebookDocumentMetadata;
    private readonly _onDidChange;
    readonly onDidChange: import("../../../../../base/common/event.js").Event<void>;
    private _textBufferHash;
    private _textBuffer?;
    get textBuffer(): ITextBuffer;
    constructor(notebookModel: INotebookTextModel);
    getHash(): string;
    getValue(): string;
    private getFullModelRange;
}