copyWith method
Implementation
VariableUsage copyWith({bool? isMutated, int? firstMutationLine}) {
return VariableUsage(
name: name,
type: type,
isMutated: isMutated ?? this.isMutated,
declarationOffset: declarationOffset,
declarationLine: declarationLine,
firstMutationLine: firstMutationLine ?? this.firstMutationLine,
);
}