google/type/datetime.proto:17:1:Package name "google.type" should be suffixed with a correctly formed version, such as "google.type.v1".
pet/v1/pet.proto:42:10:Field name "petID" should be lower_snake_case, such as "pet_id".
pet/v1/pet.proto:47:9:Service name "PetStore" should be suffixed with "Service".
