import type { EnvelopeConfig, ToolEnvelope, ToolExecutionContext } from "./types.js";
export declare function createToolContext(config: EnvelopeConfig, toolName: string): ToolExecutionContext;
export declare function successEnvelope(context: ToolExecutionContext, data: unknown): ToolEnvelope;
export declare function errorEnvelope(context: ToolExecutionContext, error: unknown): ToolEnvelope;
export declare function envelopeToText(envelope: ToolEnvelope, maxOutputBytes: number): string;
export declare function executeEnvelope<T>(config: EnvelopeConfig, toolName: string, retryCounter: () => number, handler: (context: ToolExecutionContext) => Promise<T>): Promise<string>;