function ConstantProperty(value) {
  this._value = undefined;
  this._hasClone = false;
  this._hasEquals = false;
  this._definitionChanged = new Event();
  this.setValue(value);
}
A {@link Property} whose value does not change with respect to simulation time.

@alias ConstantProperty
@constructor

@param {*} [value] The property value.

@see ConstantPositionProperty