import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.TableCollectionTest.ColumnMapTests;
import java.util.Map;

@GwtCompatible
@ElementTypesAreNonnullByDefault
public class UnmodifiableTableColumnMapTest extends ColumnMapTests {
  public UnmodifiableTableColumnMapTest() {
    super(false, false, false, false);
  }

  @Override

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.TableCollectionTest.ColumnMapTests;
import java.util.Map;

@GwtCompatible
@ElementTypesAreNonnullByDefault
public class UnmodifiableRowSortedTableColumnMapTest extends ColumnMapTests {
  public UnmodifiableRowSortedTableColumnMapTest() {
    super(false, false, false, false);
  }

  @Override

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.TableCollectionTest.ColumnMapTests;
import java.util.Map;

@GwtCompatible
@ElementTypesAreNonnullByDefault
public class UnmodifiableTableColumnMapTest extends ColumnMapTests {
  public UnmodifiableTableColumnMapTest() {
    super(false, false, false, false);
  }

  @Override

        @Override
        public @Nullable Character apply(@Nullable String input) {
          return input == null ? null : input.charAt(0);
        }
      };

  abstract static class ColumnMapTests extends MapMapTests {
    ColumnMapTests(
        boolean allowsNullValues,
        boolean supportsRemove,
        boolean supportsClear,
        boolean supportsIteratorRemove) {

        @Override
        public @Nullable Character apply(@Nullable String input) {
          return input == null ? null : input.charAt(0);
        }
      };

  abstract static class ColumnMapTests extends MapMapTests {
    ColumnMapTests(
        boolean allowsNullValues,
        boolean supportsRemove,
        boolean supportsClear,
        boolean supportsIteratorRemove) {