code: public java.util.List<PatchGroupPatchBaselineMapping> getMappings() {
          if (mappings == null) {
              mappings = new com.amazonaws.internal.SdkInternalList<PatchGroupPatchBaselineMapping>();
          }
          return mappings;
      }
docs: <p>
  Each entry in the array contains:
  </p>
  <p>
  PatchGroup: string (between 1 and 256 characters, Regex: ^([\p{L}\p{Z}\p{N}_.:/=+\-@]*)$)
  </p>
  <p>
  PatchBaselineIdentity: A PatchBaselineIdentity element.
  </p>
  
  @return Each entry in the array contains:</p>
  <p>
  PatchGroup: string (between 1 and 256 characters, Regex: ^([\p{L}\p{Z}\p{N}_.:/=+\-@]*)$)
  </p>
  <p>
  PatchBaselineIdentity: A PatchBaselineIdentity element.