@Override
    public String toString() {
        return "VERSION_" + getMajor() + "_" + getMinor() + "_" + getPatch();
    }
Parse the String format of the version provided and return the
the enum value matching that version.  If no value is provided, return
null.

@param version
    The String format of the version to parse.

@return
    The enum value that matches the specified version, VERSION_1_0_0
    if no match is found, or null if no comparison version is provided.
guacamole-common/src/main/java/org/apache/guacamole/protocol/GuacamoleProtocolVersion.java