pub use super::ffi::*;
-use rustc_index::vec::{IndexSlice, IndexVec};
+use rustc_index::{IndexSlice, IndexVec};
use rustc_middle::mir::coverage::{
CodeRegion, CounterValueReference, ExpressionOperandId, InjectedExpressionId,
InjectedExpressionIndex, MappedExpressionIndex, Op,