syntax_data: {"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"p1:"}]}
source_snippet:         p1: preg = ["p1"] % restricted_for_arm64ec,
context_before:         p0: preg = ["p0"] % restricted_for_arm64ec,
context_after:         p2: preg = ["p2"] % restricted_for_arm64ec,