syntax_data: {"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"q4:"}]}
source_snippet:         q4: qreg_low8, qreg = ["q4"],
context_before:         q3: qreg_low4, qreg_low8, qreg = ["q3"],
context_after:         q5: qreg_low8, qreg = ["q5"],