public StartEndPair getStartEndRange() {
    if (endpoints == null) {
      BitSet set = new BitSet();
      getOffset(set);
      endpoints = new StartEndPair(set.nextSetBit(0), set.length() - 1);
    }
    return endpoints;
  }
Gets the implicitly defined variables in this statement.

@return A list of {@link VarExprent}s that are implicitly defined. Can be null or empty if none exist.
src/org/jetbrains/java/decompiler/modules/decompiler/stats/Statement.java