code: public void setSourceRegions(java.util.Collection<SourceRegion> sourceRegions) {
          if (sourceRegions == null) {
              this.sourceRegions = null;
              return;
          }
  
          this.sourceRegions = new com.amazonaws.internal.SdkInternalList<SourceRegion>(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>
  
  @param sourceRegions
  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.