protobuf-fields.proto

package Some.Namespace;

message RootElement
{
	//required fields
	required string SimpleRequired = 1;
	required string SimpleRequiredWithDefault = 2 [ default = "SimpleRequiredDefaultValue" ];
	required ChildElement ComplexRequired = 3;
	required EnumerationElement EnumeratedRequired = 4;
	required EnumerationElement EnumeratedRequiredWithDefault = 5 [ default = SecondValue ];

	//optional fields
	optional string SimpleOptional = 11;
	optional string SimpleOptionalWithDefault = 12 [ default = "SimpleOptionalDefaultValue" ];
	optional ChildElement ComplexOptional = 13;
	optional EnumerationElement EnumeratedOptional = 14;
	optional EnumerationElement EnumeratedOptionalWithDefault = 15 [ default = SecondValue ];

	//repeated fields
	repeated string SimpleRepeated = 21;
	repeated ChildElement ComplexRepeated = 22;
	repeated EnumerationElement EnumeratedRepeated = 23;
}

message ChildElement
{
	required string ChildValue = 1;
}

enum EnumerationElement
{
	FirstValue = 1;
	SecondValue = 2;
}