/**
 * Commander action callback helpers for the CommandSpec mount layer.
 */
/**
 * Split a Commander action callback's variadic arguments into the parsed-opts
 * object and the trailing positional args.
 *
 * Commander calls `action((...positionalArgs, optsObject, command))`: the
 * declared positionals come first, then the parsed-options object, then the
 * `Command` instance.
 *
 * The returned `opts` are sourced from the final `Command`'s `optsWithGlobals()`
 * when available (so a nested `<tool> <verb>` child inherits common flags its
 * parent primary resolved — see {@link optsWithGlobals}), falling back to the
 * options object Commander passed positionally (identical for a flat command).
 *
 * @throws {Error} When Commander does not provide a final Command argument, or
 * when argument splitting would select the Command object as parsed options.
 */
export declare function splitActionArgs(actionArgs: readonly unknown[]): {
    opts: Record<string, unknown>;
    positionals: readonly unknown[];
};
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