The common interface for constraint components.
| constraintActive | Activate or deactivate the constraint. |
| locked | Lock or unlock the offset and position at rest. |
| sourceCount | Gets the number of sources currently set on the component. |
| weight | The weight of the constraint component. |
| AddSource | Add a constraint source. |
| GetSource | Gets a constraint source by index. |
| GetSources | Gets the list of sources. |
| RemoveSource | Removes a source from the component. |
| SetSource | Sets a source at a specified index. |
| SetSources | Sets the list of sources on the component. |