import type { AgentContext, AssistantSurfaceOps, AssistantThreadPayload } from "./types.js";
export declare class AssistantThreadRegistry {
    private threads;
    private channels;
    private titled;
    private key;
    remember(channelId: string, threadTs: string): void;
    rememberChannel(channelId: string): void;
    isAgentSurface(channelId: string, threadTs: string): boolean;
    claimTitle(channelId: string, threadTs: string): boolean;
}
export declare function handleAssistantThreadStarted(ops: AssistantSurfaceOps, registry: AssistantThreadRegistry, thread: AssistantThreadPayload): Promise<void>;
export declare function handleAgentDmOpened(ops: AssistantSurfaceOps, registry: AssistantThreadRegistry, channelId: string, context?: AgentContext): Promise<void>;
export declare function handleAgentContextChanged(registry: AssistantThreadRegistry, payload: {
    channel_id?: string;
    thread_ts?: string;
    context?: AgentContext;
}): void;
export declare function titleAssistantThread(ops: AssistantSurfaceOps, registry: AssistantThreadRegistry, channelId: string, threadTs: string, firstMessage: string): Promise<void>;
export declare function summarizeTitle(message: string): string;
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