Documentation Generator

Generate documentation for the following {{language}} code.\n\n{{code_to_document}}\n\nDocumentation format: {{doc_format}}\n\nFor each public function/method/class, include:\n- A one-line summary of what it does\n- @param descriptions for all parameters with types and constraints\n- @returns description with type and possible values\n- @throws / @raises for all error conditions\n- @example with a realistic usage example\n- @since version (use {{version}})\n\nFor the module/file level:\n- A brief overview of the module's purpose\n- How it fits into the larger system\n- Any prerequisites or setup required\n\nStyle: Write for a developer who has never seen this code before. Be precise, not verbose.