import type { AgentControllerEvent, AgentControllerThread } from '@mastra/core/agent-controller';
import type { SourceControlStorageHandle } from '../storage/domains/source-control/base.js';
export interface ThreadTitleMirrorSession {
    readonly identity: {
        getResourceId(): string;
    };
    readonly thread: {
        getById(args: {
            threadId: string;
        }): Promise<AgentControllerThread | null>;
    };
    subscribe(listener: (event: AgentControllerEvent) => void): () => void;
}
export interface ThreadTitleMirrorDependencies {
    sourceControl: {
        sessions: Pick<SourceControlStorageHandle['sessions'], 'getBySessionId' | 'rename'>;
    };
}
/**
 * Project the bound thread's title onto its source-control session row, from
 * whichever namer produced it — core on the first turn, the observational-memory
 * observer as the thread grows, or an explicit rename.
 *
 * The factory sidebar reads the session row, which otherwise keeps the raw first
 * prompt (chat sessions) or nothing at all (work sessions, which then show their
 * branch). Binding a thread reconciles the row against the stored title, so a
 * session started before this ran — or one whose rename event was missed — is
 * named the next time it is opened.
 *
 * A session names threads it is no longer showing, and each write reads the row
 * before replacing it. Titles for any other thread are therefore dropped, and
 * writes run one at a time so the last event wins rather than the fastest.
 */
export declare function observeSessionThreadTitle(session: ThreadTitleMirrorSession, { sourceControl }: ThreadTitleMirrorDependencies): () => void;
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