function Predictor( model, config ) {

	/**
	 * Store model context.
	 *
	 * { Object }, model context
	 */

	this.model = model;

	/**
	 * Identity whether model needs multiple inputs for prediction.
	 *
	 * @type { boolean }
	 */

	this.inputNum = undefined;

	/**
	 * Input shapes if model has multiple inputs.
	 *
	 * @type { Array }
	 */

	this.inputShapes = undefined;

	// Load Predictor's basic configuration.

	this.loadPredictorConfig( config );

}
Abstract Class, can not be initialized by TensorSpace user.
Handle predict for model.

Base class for KerasPredictor, TfjsPredictor, TfPredictor.

@param model, model context
@param config, Predictor config, get it from loader
@constructor