/**
 */
type type_input_data = {
	domains : Array<
		{
			name : string;
			key_field ?: (
				null
				|
				{
					name : string;
					comment ?: (null | string);
				}
			);
			data_fields ?: Array<
				{
					name : string;
					type : string;
					nullable ?: boolean;
					default ?: any;
					comment ?: (null | string);
				}
			>;
			constraints ?: Array<
				{
					kind : string;
					parameters ?: Record<string, any>;
				}
			>;
			comment ?: (null | string);
		}
	>;
};


/**
 */
type type_output = {
	render : ((input_data : type_input_data) => string);
};