@Nullable
private static PsiType getLeastUpperBoundByVar(final GrVariable resolved) {
CachedValue<PsiType> data = resolved.getUserData(LEAST_UPPER_BOUND_TYPE);
if (data == null) {
data =
CachedValuesManager.getManager(resolved.getProject())
.createCachedValue(
new CachedValueProvider<PsiType>() {
@Override
public Result<PsiType> compute() {
return Result.create(
getLeastUpperBoundByVarImpl(resolved),
PsiModificationTracker.MODIFICATION_COUNT,
ProjectRootManager.getInstance(resolved.getProject()));
}
},
false);
}
return data.getValue();
}
