Joe Tsai 4fddebafc0 all: move v1 types over to the v2 repository ... As a goal, v2 should not depend on v1. As another step towards that end, we move all the types that used to be in the v1 protoapi package over to v2. For now, we place MessageV1, ExtensionRangeV1, and ExtensionDescV1 in runtime/protoiface since these are types that generated messages will probably have to reference forever. An alternative location could be reflect/protoreflect, but it seems unfortunate to have to dirty the namespace of that package with these types. We move ExtensionFieldV1, ExtensionFieldsV1, and ExtensionFieldsOf to internal/impl, since these are related to the implementation of a generated message. Since moving these types from v1 to v2 implies that the v1 protoapi package is useless, we update all usages of v1 protoapi in the v2 repository to point to the relevant v2 type or functionality. CL/168538 is the corresponding change to alter v1. There will be a temporary build failure as it is not possible to submit CL/168519 and CL/168538 atomically. Change-Id: Ide4025c1b6af5b7f0696f4b65b988b4d10a50f0b Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/168519 Reviewed-by: Herbie Ong <herbie@google.com>		2019-03-22 20:01:07 +00:00
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extensions	all: move v1 types over to the v2 repository	2019-03-22 20:01:07 +00:00
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import_public	all: move v1 types over to the v2 repository	2019-03-22 20:01:07 +00:00
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