| Name | Value | Description |
| kContinuousBoundaryPatchCondition | 63491 | The type of boundary condition is ContinuousBoundaryPatch. |
| kFreeBoundaryPatchCondition | 63489 | The type of boundary condition is FreeBoundaryPatch. |
| kTangentBoundaryPatchCondition | 63490 | The type of boundary condition is TangentBoundaryPatch. |