import { VSBuffer } from "@codingame/monaco-vscode-api/vscode/vs/base/common/buffer";
import { IDisposable } from "@codingame/monaco-vscode-api/vscode/vs/base/common/lifecycle";
import { IObservable, IReader, ITransaction } from "@codingame/monaco-vscode-api/vscode/vs/base/common/observable";
import { URI } from "@codingame/monaco-vscode-api/vscode/vs/base/common/uri";
import { IEditSessionDiffStats, IEditSessionEntryDiff } from "@codingame/monaco-vscode-api/vscode/vs/workbench/contrib/chat/common/editing/chatEditingService";
import { IChatRequestDisablement } from "@codingame/monaco-vscode-api/vscode/vs/workbench/contrib/chat/common/model/chatModel";
import { FileOperation, IChatEditingTimelineState, IFileBaseline } from "./chatEditingOperations.js";
/**
 * Interface for the new checkpoint-based timeline system
 */
export interface IChatEditingCheckpointTimeline {
    readonly requestDisablement: IObservable<IChatRequestDisablement[]>;
    readonly canUndo: IObservable<boolean>;
    readonly canRedo: IObservable<boolean>;
    createCheckpoint(requestId: string | undefined, undoStopId: string | undefined, label: string, description?: string): void;
    navigateToCheckpoint(checkpointId: string): Promise<void>;
    undoToLastCheckpoint(): Promise<void>;
    redoToNextCheckpoint(): Promise<void>;
    getCheckpointIdForRequest(requestId: string, undoStopId?: string): string | undefined;
    recordFileOperation(operation: FileOperation): void;
    incrementEpoch(): number;
    recordFileBaseline(baseline: IFileBaseline): void;
    hasFileBaseline(uri: URI, requestId: string): boolean;
    getContentURIAtStop(requestId: string, fileURI: URI, stopId: string | undefined): URI;
    getContentAtStop(requestId: string, contentURI: URI, stopId: string | undefined): Promise<string | VSBuffer | undefined>;
    onDidChangeContentsAtStop(requestId: string, contentURI: URI, stopId: string | undefined, callback: (data: string) => void): IDisposable;
    getStateForPersistence(): IChatEditingTimelineState;
    restoreFromState(state: IChatEditingTimelineState, tx: ITransaction): void;
    getEntryDiffBetweenStops(uri: URI, requestId: string | undefined, stopId: string | undefined): IObservable<IEditSessionEntryDiff | undefined> | undefined;
    getEntryDiffBetweenRequests(uri: URI, startRequestId: string, stopRequestId: string): IObservable<IEditSessionEntryDiff | undefined>;
    getDiffsForFilesInRequest(requestId: string): IObservable<readonly IEditSessionEntryDiff[]>;
    getDiffsForFilesInSession(): IObservable<readonly IEditSessionEntryDiff[]>;
    getDiffForSession(): IObservable<IEditSessionDiffStats>;
    hasEditsInRequest(requestId: string, reader?: IReader): boolean;
}