protected StringBuilder getStringBuilder() {
    StringBuilder buf = new StringBuilder();
    buf.append(getClass().getName());
    buf.append("[path='").append(getFullPath()).append("';scope=").append(getScope())
        .append("';dataPolicy=").append(getDataPolicy());
    if (getConcurrencyChecksEnabled()) {
      buf.append("; concurrencyChecksEnabled");
    }
    return buf;
  }
@param key the key to find
@param aCallbackArgument argument for callbacks
@param generateCallbacks whether callbacks should be invoked
@param clientEvent client-side event, if any (used to pass back version information)
@return the value associated with the key
geode-core/src/main/java/org/apache/geode/internal/cache/AbstractRegion.java