errorprone/src/main/java/org/robolectric/errorprone/bugpatterns/ShadowUsageCheck.java
static VariableFixer fixVar(Symbol symbol, VisitorState state, PossibleFixes possibleFixes) {
    return new VariableFixer(symbol, state, possibleFixes);
  }
static VariableFixer fixVar(Symbol symbol, VisitorState state, PossibleFixes possibleFixes) {
    return new VariableFixer(symbol, state, possibleFixes);
  }
Renames the given {@link Symbol} and its usages in the current compilation unit to {@code
newName}.