https://micronaut-projects.github.io/micronaut-grpc/latest/api/io/micronaut/protobuf/json/registry/GrpcServiceRegistrar.html
GrpcServiceRegistrar (grpc-parent 4.12.0 API)
declaration: package: io.micronaut.protobuf.json.registry, class: GrpcServiceRegistrar
grpcparentapi