/**
 * SPDX-FileCopyrightText: 2016-2021 The Apache Software Foundation
 * SPDX-License-Identifier: Apache-2.0
 * @license
 * 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.
 */
import type { Chunk, Chunker, ChunkRange } from '@apache-annotator/selector';
export interface PartialTextNode extends Chunk<string> {
    readonly node: Text;
    readonly startOffset: number;
    readonly endOffset: number;
}
export declare class EmptyScopeError extends TypeError {
    constructor(message?: string);
}
export declare class OutOfScopeError extends TypeError {
    constructor(message?: string);
}
export declare class TextNodeChunker implements Chunker<PartialTextNode> {
    private scope;
    private iter;
    get currentChunk(): PartialTextNode;
    nodeToChunk(node: Text): PartialTextNode;
    rangeToChunkRange(range: Range): ChunkRange<PartialTextNode>;
    chunkRangeToRange(chunkRange: ChunkRange<PartialTextNode>): Range;
    /**
     * @param scope A Range that overlaps with at least one text node.
     */
    constructor(scope: Node | Range);
    nextChunk(): PartialTextNode | null;
    previousChunk(): PartialTextNode | null;
    precedesCurrentChunk(chunk: PartialTextNode): boolean;
}
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