public SWIGTYPE_p_p_btPersistentManifold getInternalManifoldPointer()
{
IntPtr cPtr = BulletCollisionPINVOKE.btCollisionDispatcher_getInternalManifoldPointer(swigCPtr);
SWIGTYPE_p_p_btPersistentManifold ret = (cPtr == IntPtr.Zero) ? null : new SWIGTYPE_p_p_btPersistentManifold(cPtr, false);
return ret;
}