function Encode$1(params) {
    Transform.call(this, null, params);
  }
Invokes encoding functions for visual items.
@constructor
@param {object} params - The parameters to the encoding functions. This
  parameter object will be passed through to all invoked encoding functions.
@param {object} [params.mod=false] - Flag indicating if tuples in the input
  mod set that are unmodified by encoders should be included in the output.
@param {object} param.encoders - The encoding functions
@param {function(object, object): boolean} [param.encoders.update] - Update encoding set
@param {function(object, object): boolean} [param.encoders.enter] - Enter encoding set
@param {function(object, object): boolean} [param.encoders.exit] - Exit encoding set