Protobuf Docs

Table of Contents

• uml.proto
  • File-level Extensions
• Scalar Value Types

uml.proto

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File-level Extensions

Extension	Type	Base	Number	Description
option_key	bool	.google.protobuf.FieldOptions	50005
option_multiplicity_max	int32	.google.protobuf.FieldOptions	50003
option_multiplicity_min	int32	.google.protobuf.FieldOptions	50002
option_parent_message	bool	.google.protobuf.FieldOptions	50000
option_required_field	bool	.google.protobuf.FieldOptions	50001
option_uuid	bool	.google.protobuf.FieldOptions	50004
option_openfmb_profile	bool	.google.protobuf.MessageOptions	51000

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Scalar Value Types

.proto Type	Notes	C++	Java	Python	Go	C#	PHP	Ruby
int32	Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint32 instead.	int32	int	int	int32	int	integer	Bignum or Fixnum (as required)
bool		bool	boolean	boolean	bool	bool	boolean	TrueClass/FalseClass