syntax_data: {"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"q3:"}]}
source_snippet:         q3: qreg_low4, qreg_low8, qreg = ["q3"],
context_before:         q2: qreg_low4, qreg_low8, qreg = ["q2"],
context_after:         q4: qreg_low8, qreg = ["q4"],