/**
 * crewx execute handler.
 * Parses args, loads config via Crewx SDK, and executes the task.
 *
 * Flags:
 *   --thread <name>          Conversation thread name
 *   --provider <cli/xxx>     Provider override
 *   --metadata <json>        Extra metadata JSON (double-quoted object). Propagated to events/hooks/tracing.
 *                           e.g. --metadata='{"workflow_id":"wf-1"}'
 *   --verbose                Debug output mode (default: raw agent response only)
 *   --config/-c <path>       Config file path override
 *   --output-format <fmt>    Output format (json|text|stream-json)
 *   --effort <level>         Model effort (high|medium|low)
 *   -f/--prompt-file <path>  Read task body from file (bypasses cmd.exe argv truncation)
 *
 * Stdin support:
 *   Pipe or redirect content into crewx x to supply the task body via stdin.
 *   e.g. cat task.md | crewx x "@agent label"
 *   Stdin is ignored when running in an interactive TTY.
 */
/**
 * Handle `crewx execute <agentRef> <message>` command.
 *
 * Default output: raw agent response only (stdout).
 * --verbose: debug info written to stderr, response to stdout.
 */
export declare function handleExecute(args: string[]): Promise<void>;