void flow__FlowContext__add_previous(val* self, val* p0);
val* flow__FlowVisitor__make_merge_flow(val* self, val* p0, val* p1);
val* flow__FlowVisitor__make_true_false_flow(val* self, val* p0, val* p1);
val* flow__FlowVisitor__make_sub_true_false_flow(val* self);
#define COLOR_flow__FlowContext___is_marked_unreachable 2
val* flow__FlowVisitor__make_unreachable_flow(val* self);
void flow__FlowContext__add_previous(val* self, val* p0);
val* flow__FlowVisitor__make_merge_flow(val* self, val* p0, val* p1);
val* flow__FlowVisitor__make_true_false_flow(val* self, val* p0, val* p1);
val* flow__FlowVisitor__make_sub_true_false_flow(val* self);
#define COLOR_flow__FlowContext___is_marked_unreachable 2
val* flow__FlowVisitor__make_unreachable_flow(val* self);