var Promise = {};

Promise.resolve = function (value) {
};

Promise.reject = function (reason) {
};

/**
 * @param {Function} resolved
 * @param {Function=} rejected
 * @return {Promise}
 */
Promise.prototype.then = function (resolved, rejected) {
};

var _ = function (value) {
};

/**
 * @returns {_}
 */
_.chain = function () {
};

var PgTx = function () {
  /** @lends {PgTx.prototype} */
  return {
    /**
     * @param {Promise[]} promises
     * @return {Promise}
     */
    batch: function (promises) {
    },
    /**
     * @param {String} sql
     * @param {Array=} values
     * @return {Promise}
     */
    many: function (sql, values) {
    },
    /**
     * @param {String} sql
     * @param {Array=} values
     * @return {Promise}
     */
    manyOrNone: function (sql, values) {
    },
    /**
     * @param {String} sql
     * @param {Array=} values
     * @return {Promise}
     */
    one: function (sql, values) {
    },
    /**
     * @param {String} sql
     * @param {Array=} values
     * @return {Promise}
     */
    oneOrNone: function (sql, values) {
    },
    /**
     * @param {String} sql
     * @param {Array=} values
     * @return {Promise}
     */
    none: function (sql, values) {
    }
  };
};

var HttpReq = {};
HttpReq.prototype.body = {};
HttpReq.prototype.headers = {};
HttpReq.prototype.params = {};
HttpReq.prototype.query = {};

var HttpRes = {};
/**
 * @returns {HttpRes}
 */
HttpRes.prototype.status = function (status) {
};
/**
 * @returns {HttpRes}
 */
HttpRes.prototype.json = function (object) {
};
/**
 * @param {string} view
 * @param {object} params
 * @returns {HttpRes}
 */
HttpRes.prototype.render = function (view, params) {
};