Transform thrift Bazel ActionResult data into a domain object.

Transform domain ActionResult object into thrift representation.

Transform request Bazel ExecuteRequest data into a domain object.

Transform domain ExecuteRequest object into request representation.

Add ActionDigest again here so it's available when polling status - no ref to original request Add GoogleAPIs RPC Status here so that we can propagate detailed error statuses from the runner upwards Add Cached here so that the runner can propagate whether it used a cached result upwards.

Add ExecutionMetadata so metadata added in the scheduling phase is passed through to worker Not Passed Through Thrift: Add Action so worker has a place to store after fetching during invoke Add Command so worker has a place to store after fetching during invoke.