{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"//"}]}
                // if there are *any* then we need a place to write. (For example,
                // If it's a mutating use it doesn't matter what the projections are,
                // `_1 = Foo()` works in SSA but `_2.0 = Foo()` does not.)