$foo: "bar" !default;
@extend .baz !optional;

----------------------------------------------------

[
	["property", [["variable", "$foo"]]],
	["punctuation", ":"],
	["string", "\"bar\""],
	["statement", "!default"],
	["punctuation", ";"],

	["keyword", "@extend"],
	" .baz ",
	["statement", "!optional"],
	["punctuation", ";"]
]

----------------------------------------------------

Checks for statements.