import type { Breakpoint, BreakpointAnswer } from "../types.js";
import { ServerClient } from "./server-client.js";
/**
 * Callback invoked when new pending breakpoints are found.
 */
export type BreakpointCallback = (breakpoints: Breakpoint[]) => void | Promise<void>;
/**
 * Client used by responders to receive, claim, and answer breakpoints.
 */
export declare class ResponderClient {
    private readonly client;
    readonly responderId: string;
    private pollingTimer;
    constructor(client: ServerClient, responderId: string);
    /**
     * Fetch all pending breakpoints routed to this responder.
     */
    fetchPendingBreakpoints(): Promise<Breakpoint[]>;
    /**
     * Claim a breakpoint so no other responder can answer it.
     */
    claimBreakpoint(breakpointId: string): Promise<Breakpoint>;
    /**
     * Submit an answer to a claimed breakpoint.
     */
    submitAnswer(breakpointId: string, text: string, confidence?: number, references?: string[]): Promise<BreakpointAnswer>;
    /**
     * Start a polling loop that periodically checks for new pending breakpoints
     * and invokes the callback when breakpoints are found.
     *
     * Returns a function to stop the loop.
     */
    startPollingLoop(callback: BreakpointCallback, intervalMs?: number): () => void;
    /**
     * Stop the current polling loop if running.
     */
    stopPollingLoop(): void;
}
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