import { IObservable } from '@vscode/observables';
import { DaemonApiType } from '@vscode/component-explorer-cli/daemon-types';
import { DaemonConfig } from './DaemonConfig.js';
/** Screenshot result from the daemon */
export type DaemonScreenshotResult = DaemonApiType['screenshots']['take']['TResult'];
/** Comparison result from the daemon */
export type DaemonCompareResult = DaemonApiType['screenshots']['compare']['TResult'];
/** Fixture info from the daemon */
export type DaemonFixtureInfo = DaemonApiType['fixtures']['list']['TResult'][number];
export interface DaemonSession {
    readonly name: string;
    readonly serverUrl: string;
    readonly sourceKind: 'current' | 'worktree';
}
/**
 * Client-side model for interacting with the daemon.
 * Manages source tree IDs, screenshot caching, and the event stream.
 */
export declare class DaemonModel {
    readonly config: DaemonConfig;
    private readonly _sourceTreeIds;
    private readonly _sessions;
    private readonly _screenshotCache;
    private readonly _client;
    private _eventStreamAbort;
    readonly sessionName: string;
    /** Observable map of sessionName → current sourceTreeId */
    readonly sourceTreeIds: IObservable<ReadonlyMap<string, string>>;
    /** Observable list of sessions from the daemon */
    readonly sessions: IObservable<readonly DaemonSession[]>;
    constructor(config: DaemonConfig);
    /**
     * Initializes the model: fetches initial session info and starts listening to events.
     * Call this once after construction.
     */
    initialize(): Promise<void>;
    /**
     * Get a screenshot for a fixture in a session, using cache when available.
     * Cache is keyed on sessionName + fixtureId and invalidated when sourceTreeId changes.
     */
    getScreenshot(sessionName: string, fixtureId: string): Promise<DaemonScreenshotResult>;
    /**
     * Compare a fixture across two sessions. Returns match status and hashes (no images).
     */
    compare(fixtureId: string, baselineSessionName: string, currentSessionName: string): Promise<DaemonCompareResult>;
    /**
     * List fixtures from a session.
     */
    listFixtures(sessionName: string): Promise<readonly DaemonFixtureInfo[]>;
    /**
     * Get the explorer URL for a different session (for session switching via full navigation).
     */
    getSessionExplorerUrl(sessionName: string): string | undefined;
    dispose(): void;
    private _fetchSessionInfos;
    private _startEventStream;
    private _handleEvent;
    private _validateProtocolVersions;
}
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