@Override
    public boolean trackExternalConnectionHistory() throws GuacamoleException {

        // Track external connection history unless explicitly disabled
        return getProperty(PostgreSQLGuacamoleProperties.POSTGRESQL_TRACK_EXTERNAL_CONNECTION_HISTORY,
                true);
    }
Return the password to use to decrypt the private SSL key file when making
the connection to the PostgreSQL server.

@return
    The password to use to decrypt the private SSL key file when making
    the connection to the PostgreSQL server.

@throws GuacamoleException
    If an error occurs retrieving the value from guacamole.properties.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/src/main/java/org/apache/guacamole/auth/postgresql/conf/PostgreSQLEnvironment.java