public static URL getPropertiesFileURL() {
    return getFileURL(getPropertiesFile());
  }
Gets an <code>URL</code> for the properties file, if one can be found, that the connect method
will use as its properties file.
<p>
See {@link #PROPERTIES_FILE_PROPERTY} for information on the name of the properties file and
what locations it will be looked for in.

@return a <code>URL</code> that names the GemFire property file. Null is returned if no
        property file was found.
@see #PROPERTIES_FILE_PROPERTY
@see #PROPERTIES_FILE_DEFAULT
@see #getPropertiesFile()
@since Geode 1.0
geode-core/src/main/java/org/apache/geode/distributed/DistributedSystem.java