code: function(options) {
          OpenLayers.Util.extend(this, options);
          this.events = new OpenLayers.Events(this);
          this.servers = {};
          for (var s in options.servers) {
              this.servers[s] = typeof options.servers[s] == 'string' ? {
                  url: options.servers[s],
                  version: this.version,
                  processDescription: {}
              } : options.servers[s];
          }
      }
docs: Constructor: OpenLayers.WPSClient
  
  Parameters:
  options - {Object} Object whose properties will be set on the instance.
  
  Avaliable options:
  servers - {Object} Mandatory. Service metadata, keyed by a local
  identifier. Can either be a string with the service url or an
  object literal with additional metadata:
  
  (code)
  servers: {
  local: '/geoserver/wps'
  }, {
  opengeo: {
  url: 'http://demo.opengeo.org/geoserver/wps',
  version: '1.0.0'
  }
  }
  (end)
  
  lazy - {Boolean} Optional. Set to true if DescribeProcess should not be
  requested until a process is fully configured. Default is false.