global

one entry per line when long, so it (and the short execute call) stay within the limit.
as_json emits explicit null where a flat hash through Transport could not). Wrapped
record builds its Parameters object and a union dispatches via `.build` (whose typed
The `params = …` line built before the execute call, or nil for a no-arg command. A

def params_assignment(indent)
  return nil if params.empty?
  kwargs = params.map { |p| "#{p.ruby_name}: #{p.ruby_name}" }
  BiDiGenerate.wrap_call("params = #{params_class}.#{union_params ? 'build' : 'new'}", kwargs, indent)
end