/**
 *
 * @class ModelType
 * @memberof ModelTypes
 */
function ModelType() {
    /**
     *
     * @public
     * @function get_group_type_id
     * @param alias
     * @returns v2.address
     * @memberof ModelTypes.ModelType
     */
    this.get_group_type_id = function(alias) {

    };

    /**
     *
     * @public
     * @function aliases
     * @returns v2.map(v2.string, v2.model_type)
     * @memberof GroupTypes.GroupType
     */
    this.aliases = function() {

    };

}