docs: def _doLineReplacements(self, line):
          """
          Given a line of a proto file, replace the line with one that is
          appropriate for the hierarchy that we want to compile
          """
          # ga4gh packages
          packageString = 'package ga4gh;'
          if packageString in line:
              return line.replace(
                  packageString,
                  'package ga4gh.schemas.ga4gh;')
          importString = 'import "ga4gh/'
          if importString in line:
              return line.replace(
                  importString,
                  'import "ga4gh/schemas/ga4gh/')
          # google packages
          googlePackageString = 'package google.api;'
          if googlePackageString in line:
              return line.replace(
                  googlePackageString,
                  'package ga4gh.schemas.google.api;')
          googleImportString = 'import "google/api/'
          if googleImportString in line:
              return line.replace(
                  googleImportString,
                  'import "ga4gh/schemas/google/api/')
          optionString = 'option (google.api.http)'
          if optionString in line:
              return line.replace(
                  optionString,
                  'option (.ga4gh.schemas.google.api.http)')
          return line