export declare const AGENT_CHAT_RUNNING_EVENT = "agentNative.chatRunning";
export type AgentChatPresentationPhase = "working" | "responding" | "idle";
export interface AgentChatRunningEventDetail {
    isRunning: boolean;
    phase?: AgentChatPresentationPhase;
    threadId?: string;
    tabId?: string;
    turnId?: string;
    runId?: string;
    /**
     * `"run.submitted"` marks the run this client just started for a submitted
     * message, which carries no successor link to any earlier run.
     */
    reason?: string;
}
export interface UseAgentChatRunningThreadsOptions {
    apiUrl?: string;
    pollIntervalMs?: number;
    startGraceMs?: number;
}
export interface AgentChatRunningThreadsState {
    runningThreadIds: ReadonlySet<string>;
    workingThreadIds: ReadonlySet<string>;
    observedThreadStarts: ReadonlyMap<string, number>;
}
export declare function resolveAgentChatRunningThreadId(detail: Partial<AgentChatRunningEventDetail> | null | undefined): string | null;
export declare function dispatchAgentChatRunning(detail: AgentChatRunningEventDetail): void;
export declare function useAgentChatRunningThreads(options?: UseAgentChatRunningThreadsOptions): AgentChatRunningThreadsState;