/**
 * @file Etherscan API client.
 * @module client/etherscan
 */

'use strict'

/**
 * Etherscan API client.
 * @static
 */
class Client {

}

// Expose
module.exports = Client

@@ -86,60 +86,235 @@
 %0A * 
-Etherscan API client.%0A * @static%0A */%0Aclass Client %7B%0A
+Private members store.%0A * @private%0A */%0Aconst privs = new WeakMap()%0A%0A/**%0A * Etherscan API client.%0A * @static%0A */%0Aclass Client %7B%0A  /**%0A   * No parameters.%0A   */%0A  constructor () %7B%0A    const priv = %7B%7D%0A    privs.set(this, priv)%0A  %7D
 %0A%7D%0A%0A

Add private members store to Etherscan client