text: import { InterpolateDiscrete } from '../../constants';
  import { KeyframeTrackPrototype } from '../KeyframeTrackPrototype';
  import { KeyframeTrackConstructor } from '../KeyframeTrackConstructor';
  
  /**
   *
   * A Track of Boolean keyframe values.
   *
   *
   * @author Ben Houston / http://clara.io/
   * @author David Sarno / http://lighthaus.us/
   * @author tschw
   */
  
  function BooleanKeyframeTrack ( name, times, values ) {
  	this.isBooleanKeyframeTrack = true;
  
  	KeyframeTrackConstructor.call( this, name, times, values );
  
  };
  
  BooleanKeyframeTrack.prototype =
  		Object.assign( Object.create( KeyframeTrackPrototype ), {
  
  	constructor: BooleanKeyframeTrack,
  
  	ValueTypeName: 'bool',
  	ValueBufferType: Array,
  
  	DefaultInterpolation: InterpolateDiscrete,
  
  	InterpolantFactoryMethodLinear: undefined,
  	InterpolantFactoryMethodSmooth: undefined
  
  	// Note: Actually this track could have a optimized / compressed
  	// representation of a single value and a custom interpolant that
  	// computes "firstValue ^ isOdd( index )".
  
  } );
  
  
  export { BooleanKeyframeTrack };