import type { ChildProcess } from "node:child_process";
import type { ChainDefinition, ChainExecution, ExecutionEvent } from "./types.js";
import { getExecutionTimeline } from "./storage.js";
import { validateClaudeBinary, getRunningExecutionCount, canStartExecution, MAX_CONCURRENT_EXECUTIONS } from "./claude-runner.js";
import { GateSuspendError, approveGate } from "./gate-manager.js";
export declare function loadPersistedExecutions(): void;
/** Get execution timeline (time-travel). */
export { getExecutionTimeline };
export declare function getExecution(id: string): ChainExecution | undefined;
export declare function getAllExecutions(): ChainExecution[];
/** Clear all step result caches. Returns number of files deleted. */
export declare function clearStepCache(): number;
export declare function cancelExecution(id: string): boolean;
export { validateClaudeBinary, getRunningExecutionCount, canStartExecution, MAX_CONCURRENT_EXECUTIONS };
export { GateSuspendError, approveGate };
export declare function getPendingApprovals(): {
    executionId: string;
    stepId: string;
    chainName: string;
    prompt: string;
    startedAt: string;
}[];
export declare function getAllActiveProcesses(): Map<string, Set<ChildProcess>>;
type EventEmitter = (event: ExecutionEvent) => void;
export declare function executeChain(chain: ChainDefinition, input: Record<string, string>, emit: EventEmitter, externalId?: string): Promise<string>;
export declare function resumeExecution(executionId: string, chain: ChainDefinition, emit: EventEmitter): Promise<string>;