Properties on $builder_explain #55016

		Name	Owner	Perms	Value
	1	.probe_calls	Q	rc	0
	2	.probe_order	Q	rc	{}
	3	.probe_veto	Q	rc	0
	4	.probe_delta	Q	rc	0
	5	.probe_reenter	Q	rc	0
	6	.test_cases	Q	r	["test_property_writes" -> {{"dimensions", {"dimensions", {2, 1, 0.5}}}, {"placement", {"placement", {"center"}}}}]
	7	.fixture_groups			Permission denied
	8	.fixture_carriers			Permission denied
	9	.fixture_command_carrier			Permission denied