syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"v19:"}]}
source_snippet:         v19: vreg = ["v19", "b19", "h19", "s19", "d19", "q19", "z19"] % restricted_for_arm64ec,
context_before:         v18: vreg = ["v18", "b18", "h18", "s18", "d18", "q18", "z18"] % restricted_for_arm64ec,
context_after:         v20: vreg = ["v20", "b20", "h20", "s20", "d20", "q20", "z20"] % restricted_for_arm64ec,