src/Lucene.Net.Analysis.ICU/Analysis/Icu/Segmentation/ICUTokenizerConfig.cs

// Lucene version compatibility level 8.6.1
using ICU4N.Text;
using Lucene.Net.Support;

namespace Lucene.Net.Analysis.Icu.Segmentation
{
    /*
     * Licensed to the Apache Software Foundation (ASF) under one or more
     * contributor license agreements.  See the NOTICE file distributed with
     * this work for additional information regarding copyright ownership.
     * The ASF licenses this file to You under the Apache License, Version 2.0
     * (the "License"); you may not use this file except in compliance with
     * the License.  You may obtain a copy of the License at
     *
     *     http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */

    /// <summary>
    /// Class that allows for tailored Unicode Text Segmentation on
    /// a per-writing system basis.
    /// <para/>
    /// @lucene.experimental
    /// </summary>
    [ExceptionToClassNameConvention]
    public abstract class ICUTokenizerConfig
    {
        public const int EMOJI_SEQUENCE_STATUS = 299;

        /// <summary>
        /// Sole constructor. (For invocation by subclass
        /// constructors, typically implicit.)
        /// </summary>
        protected ICUTokenizerConfig() { } // LUCENENET specific - marked protected instead of public
        /// <summary>
        /// Return a breakiterator capable of processing a given script.
        /// </summary>
        public abstract RuleBasedBreakIterator GetBreakIterator(int script);
        /// <summary>
        /// Return a token type value for a given script and BreakIterator rule status.
        /// </summary>
        public abstract string GetType(int script, int ruleStatus);
        /// <summary>
        /// true if Han, Hiragana, and Katakana scripts should all be returned as Japanese
        /// </summary>
        public abstract bool CombineCJ { get; }
    }
}