syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // The resulting vtable will consists of these segments:
context_before:     //                 \-> L
context_after:     //  DSA, A, B, B-vptr, C, D, D-vptr, E, E-vptr, F, F-vptr, G,