code: @Deprecated
      public FilePath[] getModuleRoots() {
          AbstractBuild b = getBuildForDeprecatedMethods();
          return b != null ? b.getModuleRoots() : null;
      }
docs: Returns the root directories of all checked-out modules.
  <p>
  Some SCMs support checking out multiple modules into the same workspace.
  In these cases, the returned array will have a length greater than one.
  @return The roots of all modules checked out from the SCM.
  
  @deprecated as of 1.319
  See {@link #getWorkspace()} for a migration strategy.