Unknown is a key associated with the unknown fields of a message. The value should be a []byte.
const Unknown = "@unknown"
A Message is a template to apply to a message. Keys are field names, including extension names.
type Message map[protoreflect.Name]Value
func (template Message) Build(m protoreflect.Message)
Build applies the template to a message.
A Value is a value assignable to a field. A Value may be a value accepted by protoreflect.ValueOf. In addition:
• An int may be assigned to any numeric field.
• A float64 may be assigned to a double field.
• Either a string or []byte may be assigned to a string or bytes field.
• A string containing the value name may be assigned to an enum field.
• A slice may be assigned to a list, and a map may be assigned to a map.
type Value interface{}