RUNTIME ERROR: Object assertion failed.
	error.obj_assert.fail1.jsonnet:20:23-29	thunk <object_assert>
	std.jsonnet:<stdlib_position_redacted>	thunk <a>
	std.jsonnet:<stdlib_position_redacted>	function <anonymous>
	std.jsonnet:<stdlib_position_redacted>	function <anonymous>
	std.jsonnet:<stdlib_position_redacted>	
