code: function(members) {
              var member, name;
  
              for (name in members) {
                  if (members.hasOwnProperty(name)) {
                      member = members[name];
                      if (typeof member == 'function' && !member.$isClass && member !== Ext.emptyFn && member !== Ext.identityFn) {
                          member.$owner = this;
                          member.$name = name;
                          //<debug>
                          member.displayName = Ext.getClassName(this) + '.' + name;
                          //</debug>
                      }
                      this[name] = member;
                  }
              }
  
              return this;
          }
docs: Add / override static properties of this class.
  
  Ext.define('My.cool.Class', {
  ...
  });
  
  My.cool.Class.addStatics({
  someProperty: 'someValue',      // My.cool.Class.someProperty = 'someValue'
  method1: function() { ... },    // My.cool.Class.method1 = function() { ... };
  method2: function() { ... }     // My.cool.Class.method2 = function() { ... };
  });
  
  @param {Object} members
  @return {Ext.Base} this
  @static
  @inheritable