/**
 * [WHO]: buildLoopPrompt, getLoopUsageMessage
 * [FROM]: Depends on ./cron-tools/prompt
 * [TO]: Consumed by ./index
 * [HERE]: extensions/builtin/loop/loop-skill.ts - /loop skill: prompt builder and usage message
 *
 * /loop skill — translates user input into a CronCreate tool call.
 *
 * 1:1 port of Claude Code src/skills/bundled/loop.ts
 *
 * This module builds the prompt that instructs the model to:
 * 1. Parse [interval] <prompt> from user input
 * 2. Convert interval to cron expression
 * 3. Call CronCreate
 * 4. Confirm and execute immediately
 */
export declare function buildLoopPrompt(args: string): string;
export declare function getLoopUsageMessage(): string;