Service Usage V1 API - Module Google::Protobuf::Field::Cardinality (v1.0.1)

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Reference documentation and code samples for the Service Usage V1 API module Google::Protobuf::Field::Cardinality.

Whether a field is optional, required, or repeated.

Constants

CARDINALITY_UNKNOWN

value: 0
For fields with unknown cardinality.

CARDINALITY_OPTIONAL

value: 1
For optional fields.

CARDINALITY_REQUIRED

value: 2
For required fields. Proto2 syntax only.

CARDINALITY_REPEATED

value: 3
For repeated fields.