Collects all fields of type map with a value type of kind Message. Use flag
resources_only to limit the findings to those fields belonging to Resource
messages. Multiple runs using the same out_file appends the results of the
subsequent runs to the existing contents.
Run ./analyze.sh in the projects directory to get results. This script is
specifically meant to analyze all proto packages in google/cloud of
googleapis.
Clone googleapis and export the variable GOOGLEAPIS in your shell to avoid
repetitive downloads. The script will download and set the variable itself
if unset.