this.namespace = Objects.requireNonNull(namespace);
    } //-- void setNamespace(String)

    /**
     * Method setSchemaLocation.
     *
     * @param schemaLocation the schema location to use.
     */
    public void setSchemaLocation(String schemaLocation) {
        this.schemaLocation = Objects.requireNonNull(schemaLocation);
        } //-- void setSchemaLocation(String)

    /**