new ConstantProperty(valueopt)
    A 
    Property whose value does not change with respect to simulation time.
Parameters:
| Name | Type | Attributes | Description | 
|---|---|---|---|
| value | Object | <optional> | The property value. | 
- Source:
- See:
Throws:
- 
- 
        value.clone is a required function.
- Type
- DeveloperError
 
- 
        
- 
- 
        value.equals is a required function.
- Type
- DeveloperError
 
- 
        
Members
(readonly) definitionChanged :Event
    Gets the event that is raised whenever the definition of this property changes.
The definition is changed whenever setValue is called with data different
than the current value.
    Type:
- Source:
(readonly) isConstant :Boolean
    Gets a value indicating if this property is constant.
This property always returns 
    true.
Type:
- Boolean
- Source:
Methods
equals(otheropt) → {Boolean}
    Compares this property to the provided property and returns
    true if they are equal, false otherwise.
Parameters:
| Name | Type | Attributes | Description | 
|---|---|---|---|
| other | Property | <optional> | The other property. | 
- Source:
Returns:
true if left and right are equal, false otherwise.
- Type
- Boolean
getValue(timeopt, resultopt) → {Object}
    Gets the value of the property.
    Parameters:
| Name | Type | Attributes | Description | 
|---|---|---|---|
| time | JulianDate | <optional> | The time for which to retrieve the value. This parameter is unused since the value does not change with respect to time. | 
| result | Object | <optional> | The object to store the value into, if omitted, a new instance is created and returned. | 
- Source:
Returns:
    The modified result parameter or a new instance if the result parameter was not supplied.
- Type
- Object
setValue(value)
    Sets the value of the property.
    Parameters:
| Name | Type | Description | 
|---|---|---|
| value | Object | The property value. | 
- Source:
Throws:
- 
- 
        value.clone is a required function.
- Type
- DeveloperError
 
- 
        
- 
- 
        value.equals is a required function.
- Type
- DeveloperError
 
-