@Override
  public String toString() {
    return "{" + "{ objectName = " + getObjectName()
        + ", queryExpression = " + getQueryExpression()
        + " }";
  }
The QueryParameterSource class encapsulates details in order to perform a query on an JMX MBean
server.
<p>

@see java.io.Serializable
@see javax.management.ObjectName
@see javax.management.QueryExp
@since GemFire 8.0
geode-core/src/main/java/org/apache/geode/management/internal/web/domain/QueryParameterSource.java