def method_signature
      @parameters.map { |info| info.name == 'body' ? "body = {}" : Heroics.ruby_name(info.name) }.join(', ')
    end
def method_signature
      @parameters.map { |info| info.name == 'body' ? "body = {}" : Heroics.ruby_name(info.name) }.join(', ')
    end
list of parameters for method signature, body is optional