const google.golang.org/protobuf/reflect/protoreflect.Required

12 uses

	google.golang.org/protobuf/reflect/protoreflect (current package)
		proto.go#L200: 	Required Cardinality = 2 // appears exactly one time; invalid with Proto3
		proto.go#L207: 	case Optional, Required, Repeated:
		proto.go#L219: 	case Required:
		proto.go#L233: 	case Required:

	google.golang.org/protobuf/reflect/protodesc
		desc_resolve.go#L33: 			if f.L1.Cardinality == protoreflect.Required {
		desc_validate.go#L178: 				if f.Cardinality() == protoreflect.Required {
		desc_validate.go#L238: 		if !x.Cardinality().IsValid() || x.Cardinality() == protoreflect.Required {

	google.golang.org/protobuf/internal/encoding/tag
		tag.go#L49: 			f.L1.Cardinality = protoreflect.Required
		tag.go#L165: 	case protoreflect.Required:

	google.golang.org/protobuf/internal/filedesc
		desc_lazy.go#L329: 			if fd.L1.Cardinality == protoreflect.Required {

	google.golang.org/protobuf/internal/impl
		codec_message.go#L129: 			isRequired: fd.Cardinality() == protoreflect.Required,
		validate.go#L132: 	if fd.Cardinality() == protoreflect.Required {