// TypeError 7079: (101-108): The "chainid" instruction is only available for Istanbul-compatible VMs (you are currently compiling for "petersburg").
// DeclarationError 8678: (95-110): Variable count does not match number of values (1 vs. 0)
// TypeError 7079: (215-226): The "selfbalance" instruction is only available for Istanbul-compatible VMs (you are currently compiling for "petersburg").
// DeclarationError 8678: (209-228): Variable count does not match number of values (1 vs. 0)