import type { InputEnvelope, OutputEnvelope, StepDefinition, StepExecutionHooks, WorkflowDefinition } from "./types.js";
export declare const DEFAULT_PI_COMMAND = "pi";
export declare function normalizeTimeout(value: unknown, fallbackMs?: number): number;
export declare function executePiAgentStep(step: StepDefinition, input: InputEnvelope, attempt: number, workflow?: WorkflowDefinition, workflowFilePath?: string, hooks?: StepExecutionHooks): Promise<OutputEnvelope>;