Core Loader
A specific Loader which loads Wire's runtime proto files such as google/protobuf/descriptor.proto
or wire/extensions.proto
.
A loader that can only load built-in .proto
files:
Google's protobuf descriptor, which defines standard options like
default
,deprecated
, andjava_package
.Wire's extensions, which defines since and until options.
If the user has provided their own version of these protos, those are preferred.