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//
// Copyright (c) 2016-2024 Deephaven Data Labs and Patent Pending
//
package io.deephaven.api.updateby.spec;

import io.deephaven.annotations.SingletonStyle;
import org.immutables.value.Value.Immutable;

/**
 * A {@link UpdateBySpec} for performing a forward fill of the specified columns.
 */

@Immutable
@SingletonStyle
public abstract class FillBySpec extends UpdateBySpecBase {
    public static FillBySpec of() {
        return ImmutableFillBySpec.of();
    }

    @Override
    public final boolean applicableTo(Class inputType) {
        return true;
    }

    @Override
    public final  T walk(Visitor visitor) {
        return visitor.visit(this);
    }
}