text: /*global define*/
  define([
          '../Core/Color',
          '../Core/defined',
          '../Core/defineProperties',
          '../Core/Event',
          './ConstantProperty',
          './createPropertyDescriptor',
          './Property'
      ], function(
          Color,
          defined,
          defineProperties,
          Event,
          ConstantProperty,
          createPropertyDescriptor,
          Property) {
      'use strict';
  
      /**
       * A {@link MaterialProperty} that maps to solid color {@link Material} uniforms.
       *
       * @param {Property} [color=Color.WHITE] The {@link Color} Property to be used.
       *
       * @alias ColorMaterialProperty
       * @constructor
       */
      function ColorMaterialProperty(color) {
          this._definitionChanged = new Event();
          this._color = undefined;
          this._colorSubscription = undefined;
          this.color = color;
      }
  
      defineProperties(ColorMaterialProperty.prototype, {
          /**
           * Gets a value indicating if this property is constant.  A property is considered
           * constant if getValue always returns the same result for the current definition.
           * @memberof ColorMaterialProperty.prototype
           *
           * @type {Boolean}
           * @readonly
           */
          isConstant : {
              get : function() {
                  return Property.isConstant(this._color);
              }
          },
          /**
           * Gets the event that is raised whenever the definition of this property changes.
           * The definition is considered to have changed if a call to getValue would return
           * a different result for the same time.
           * @memberof ColorMaterialProperty.prototype
           *
           * @type {Event}
           * @readonly
           */
          definitionChanged : {
              get : function() {
                  return this._definitionChanged;
              }
          },
          /**
           * Gets or sets the {@link Color} {@link Property}.
           * @memberof ColorMaterialProperty.prototype
           * @type {Property}
           * @default Color.WHITE
           */
          color : createPropertyDescriptor('color')
      });
  
      /**
       * Gets the {@link Material} type at the provided time.
       *
       * @param {JulianDate} time The time for which to retrieve the type.
       * @returns {String} The type of material.
       */
      ColorMaterialProperty.prototype.getType = function(time) {
          return 'Color';
      };
  
      /**
       * Gets the value of the property at the provided time.
       *
       * @param {JulianDate} time The time for which to retrieve the value.
       * @param {Object} [result] The object to store the value into, if omitted, a new instance is created and returned.
       * @returns {Object} The modified result parameter or a new instance if the result parameter was not supplied.
       */
      ColorMaterialProperty.prototype.getValue = function(time, result) {
          if (!defined(result)) {
              result = {};
          }
          result.color = Property.getValueOrClonedDefault(this._color, time, Color.WHITE, result.color);
          return result;
      };
  
      /**
       * Compares this property to the provided property and returns
       * <code>true</code> if they are equal, <code>false</code> otherwise.
       *
       * @param {Property} [other] The other property.
       * @returns {Boolean} <code>true</code> if left and right are equal, <code>false</code> otherwise.
       */
      ColorMaterialProperty.prototype.equals = function(other) {
          return this === other || //
                 (other instanceof ColorMaterialProperty && //
                  Property.equals(this._color, other._color));
      };
  
      return ColorMaterialProperty;
  });
  