The shape to cut into pieces.
The shapes that do the cutting, such as faces or solids passing through the shape.
How far apart geometry may be and still count as touching, in model units; helps when faces nearly coincide.
When true, the inputs stay untouched and the result holds the pieces of every shape involved;
when false only the pieces of shape come back.
A shape and the shapes to cut it with for
operations.splitShapeWithShapes.