syntax_data: {"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"r19r18"}]}
source_snippet:             r19r18 "r19:r18" "r19" "r18",
context_before:             r21r20 "r21:r20" "r21" "r20",
context_after:             r17r16 "r17:r16" "r17" "r16",