@Override
  public String toString() {
    StringBuilder buf = new StringBuilder();
    buf.append("[");
    Iterator i = iterator();
    boolean hasNext = i.hasNext();
    while (hasNext) {
      Object o = i.next();
      buf.append(o == this ? "(this Collection)" : String.valueOf(o));
      hasNext = i.hasNext();
      if (hasNext) {
        buf.append(",\n ");
      }
    }
    buf.append("]");
    return buf.toString();
  }
Setter for property modifiable.

@param modifiable New value of property modifiable.
geode-core/src/main/java/org/apache/geode/cache/query/internal/LinkedStructSet.java