internal/protocol/parameter.go
func (f *ParameterFieldSet) String() string {
	a := make([]string, len(f.fields))
	for i, f := range f.fields {
		a[i] = f.String()
	}
	return fmt.Sprintf("%v", a)
}
func (f *ParameterFieldSet) String() string {
	a := make([]string, len(f.fields))
	for i, f := range f.fields {
		a[i] = f.String()
	}
	return fmt.Sprintf("%v", a)
}
// String implements the Stringer interface.