/**
 * Agent loop handler — extracted from Agent class.
 * Contains runInner (the main iteration loop), checkIterationLimit,
 * compactContextIfNeeded, emitContextPct, and injectPendingBtwNotes.
 */
import type { RunController } from '../kernel/run-controller.js';
import type { AgentInternals } from './agent-internals.js';
import type { AgentResponseHandler } from './agent-response.js';
import type { AgentToolHandler } from './agent-tools.js';
import type { RunResult, UserInputPayload } from './agent-types.js';
import type { RunOptions } from './context.js';
/** Extract a human-readable reason from an AbortSignal. */
export declare function signalAbortReason(signal: AbortSignal): string;
interface LoopHandlers {
    tools: AgentToolHandler;
    response: AgentResponseHandler;
}
export interface AgentLoopHandler {
    runInner(inputPayload: UserInputPayload, opts: RunOptions, controller: RunController, autonomousContinue: boolean): Promise<RunResult>;
}
export declare function createAgentLoopHandler(a: AgentInternals, handlers: LoopHandlers): AgentLoopHandler;
export {};
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