index_select.getOnFalse() != body.getArgument(3))
    return failure();

  mhlo::OrOp index_or = llvm::dyn_cast_or_null<mhlo::OrOp>(
      index_select.getPred().getDefiningOp());

  if (!index_or || index_or.getLhs() != value_select.getPred())
    return failure();

  mhlo::AndOp index_and =
      llvm::dyn_cast_or_null<mhlo::AndOp>(index_or.getRhs().getDefiningOp());
  if (!index_and) return failure();

  // Create new `mhlo.if` op with extra token operands and result.
  auto new_if = builder.create<IfOp>(region_if.getLoc(), new_result_types,
                                     region_if.getPred());

  // Move all regions from the old `mhlo.if` op to its replacement.
  new_if.getTrueBranch().takeBody(region_if.getTrueBranch());
  new_if.getFalseBranch().takeBody(region_if.getFalseBranch());

      ConversionPatternRewriter& rewriter) const final {
    // HLO IfOp currently doesn't support stateless
    auto new_op = rewriter.create<TF::IfRegionOp>(
        op.getLoc(), op->getResultTypes(), op.getPred(),
        /*is_stateless=*/false, /*_then_func_name=*/nullptr,
        /*_else_func_name=*/nullptr);
    new_op.getThenBranch().takeBody(op.getTrueBranch());
    new_op.getElseBranch().takeBody(op.getFalseBranch());

        return getTree().first(displayName)
    }

    @Override
    List<BuildOperationRecord> all() {
        return getTree().all()
    }

    @Override
    List<BuildOperationRecord> all(Pattern displayName) {
        return getTree().all(displayName)
    }

    @Override
    BuildOperationRecord only(Pattern displayName) {
        return getTree().only(displayName)
    }

    @Override

        contentFile.write("content");
        archiveFileToRoot(getArchiveFile());

        assertVisits(getTree(), toList("file1.txt"), new ArrayList<>());
        contentFile.makeOlder();
        TestFile.Snapshot snapshot = contentFile.snapshot();
        assertVisits(getTree(), toList("file1.txt"), new ArrayList<>());
        contentFile.assertHasNotChangedSince(snapshot);
    }

    @Test

    @Override
    protected TestFile getArchiveFile() {
        return archiveFile;
    }

    @Override
    protected ZipFileTree getTree() {
        return tree;
    }

    @Test
    public void failsWhenArchiveFileDoesNotExist() {
        try {
            getTree().visit(new EmptyFileVisitor());
            fail();
        } catch (InvalidUserDataException e) {

        snapshot.getPhysicalMemory().getFree() == MemoryAmount.ofGigaBytes(16).bytes
        snapshot.getVirtualMemory() instanceof OsMemoryStatusAspect.Available
        snapshot.getVirtualMemory().getTotal() == MemoryAmount.ofGigaBytes(64).bytes
        snapshot.getVirtualMemory().getFree() == MemoryAmount.ofGigaBytes(16).bytes
    }

        } else if (requestType.equals(MetadataResolutionRequestTypeEnum.versionedGraph)) {
            return new MetadataGraph(getTree(), true, false);
        } else if (requestType.equals(MetadataResolutionRequestTypeEnum.scopedGraph)) {
            return new MetadataGraph(getTree(), true, true);
        }
        return null;
    }
    // ----------------------------------------------------------------------------

        return this.ctx.getConfig();
    }


    private synchronized SmbTreeImpl getTree () {
        SmbTreeImpl t = this.tree;
        if ( t != null ) {
            return t.acquire(false);
        }
        else if ( this.delegate != null ) {
            this.tree = this.delegate.getTree();
            return this.tree;
        }
        return t;
    }


    /**

     * where backwards compatibility is required and instead prefer {@link #inject(ServiceLookup)} for any new non DSL-types.
     * This method will be retired in the future.
     */
    InstanceGenerator injectLenient(ServiceLookup services);

    /**