13         GcProgress, GcRootsIter, GcRuntime, SendSyncUnsafeCell, TypedGcRef, VMGcHeader, VMGcRef,
126     fn alloc(&mut self, mut header: VMGcHeader, layout: Layout) -> Result<Result<VMGcRef, u64>> {  in alloc()  argument
169         let gc_ref = VMGcRef::from_heap_index(aligned).unwrap();  in alloc()
237     fn clone_gc_ref(&mut self, gc_ref: &VMGcRef) -> VMGcRef {  in clone_gc_ref()  argument
244         destination: &mut Option<VMGcRef>,  in write_gc_ref()  argument
245         source: Option<&VMGcRef>,  in write_gc_ref()  argument
250     fn expose_gc_ref_to_wasm(&mut self, _gc_ref: VMGcRef) {  in expose_gc_ref_to_wasm()  argument
272     fn object_size(&self, gc_ref: &VMGcRef) -> usize {  in object_size()
277     fn header(&self, gc_ref: &VMGcRef) -> &VMGcHeader {  in header()
281     fn header_mut(&mut self, gc_ref: &VMGcRef) -> &mut VMGcHeader {  in header_mut()
285     fn alloc_raw(&mut self, header: VMGcHeader, layout: Layout) -> Result<Result<VMGcRef, u64>> {  in alloc_raw()  argument
293     ) -> Result<Result<VMGcRef, u64>> {  in alloc_uninit_struct_or_exn()  argument
302     fn dealloc_uninit_struct_or_exn(&mut self, _struct_ref: VMGcRef) {}  in dealloc_uninit_struct_or_exn()  argument