/**
 * Print the CLI usage, command reference, options, auth flow, and examples for the Endurance Coach tools to the console.
 *
 * The help text covers available commands, per-command options (auth, sync, activity, expand, render, templates, stats,
 * training-load, foundation, strength, schedule-preferences, hr-zones, query, modify, etc.), headless and interactive auth
 * instructions, and example invocations.
 */
export declare function printHelp(): void;