code: public java.util.List<SourceRegion> getSourceRegions() {
          if (sourceRegions == null) {
              sourceRegions = new com.amazonaws.internal.SdkInternalList<SourceRegion>();
          }
          return sourceRegions;
      }
docs: <p>
  A list of SourceRegion instances that contains each source AWS Region that the current AWS Region can get a Read
  Replica or a DB snapshot from.
  </p>
  
  @return A list of SourceRegion instances that contains each source AWS Region that the current AWS Region can get
  a Read Replica or a DB snapshot from.