import { Disposable, IDisposable } from "@codingame/monaco-vscode-api/vscode/vs/base/common/lifecycle";
import { IObservable } from "@codingame/monaco-vscode-api/vscode/vs/base/common/observable";
import { URI } from "@codingame/monaco-vscode-api/vscode/vs/base/common/uri";
import { IEditSessionEntryDiff } from "@codingame/monaco-vscode-api/vscode/vs/workbench/contrib/chat/common/editing/chatEditingService";
import { IChatResponseFileChangesService } from "@codingame/monaco-vscode-api/vscode/vs/workbench/contrib/chat/browser/chatResponseFileChangesService.service";
/**
 * Supplies the per-response (per-request) file-change diffs rendered by the
 * "Changed N files" summary under a completed chat response.
 *
 * Most chat sessions derive these diffs from their {@link IChatEditingSession}.
 * Some session types (notably agent host sessions) own an authoritative,
 * server-computed view of a turn's changes and provide it here instead, so the
 * summary reflects the same source of truth as the rest of that session's
 * change UI.
 */
export interface IChatResponseFileChangesProvider {
    /**
     * Returns an observable of the file-change diffs produced by `requestId`
     * within `sessionResource`, or `undefined` when this provider cannot
     * supply changes for that request (in which case the caller falls back to
     * the chat editing session).
     */
    getChangesForRequest(sessionResource: URI, requestId: string): IObservable<readonly IEditSessionEntryDiff[]> | undefined;
}
export declare class ChatResponseFileChangesService extends Disposable implements IChatResponseFileChangesService {
    readonly _serviceBrand: undefined;
    private readonly _providers;
    registerProvider(chatSessionType: string, provider: IChatResponseFileChangesProvider): IDisposable;
    getChangesForRequest(sessionResource: URI, requestId: string): IObservable<readonly IEditSessionEntryDiff[]> | undefined;
}