/**
 * Copyright 2017 Matt Acosta
 *
 * Licensed 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 { INode } from '../node/INode';
import { ISyntaxToken, SyntaxTokenFilter } from './ISyntaxToken';
import { ISyntaxTrivia, SyntaxTriviaFilter } from './ISyntaxTrivia';
import { ISyntaxTriviaList } from './ISyntaxTriviaList';
import { SyntaxTrivia } from './SyntaxTrivia';
import { TextSpan } from '../../text/TextSpan';
/**
 * Represents a collection of trivia nodes.
 */
export declare class SyntaxTriviaList implements ISyntaxTriviaList {
    /**
     * @inheritDoc
     */
    token: ISyntaxToken;
    /**
     * @todo Experimental.
     */
    protected index: number;
    /**
     * An object containing the metadata for this trivia list.
     */
    protected node: INode | null;
    /**
     * The absolute location of this token in the source text.
     *
     * @see SyntaxToken.span
     * @see SyntaxToken.fullSpan
     */
    protected offset: number;
    /**
     * Constructs a `SyntaxTriviaList` object.
     */
    constructor(node: INode | null, token: ISyntaxToken, offset: number, index?: number);
    /**
     * @inheritDoc
     */
    get count(): number;
    /**
     * @inheritDoc
     */
    get fullSpan(): TextSpan;
    /**
     * @inheritDoc
     */
    get span(): TextSpan;
    /**
     * Attempts to get the first token from a trivia node containing structure.
     *
     * @param {ISyntaxTriviaList} triviaList
     *   The list of trivia to search.
     * @param {SyntaxTriviaFilter=} triviaFilter
     *   A callback used to limit which trivia nodes are searched.
     * @param {SyntaxTokenFilter=} tokenFilter
     *   A callback used to limit which structured nodes are returned.
     *
     * @return {ISyntaxToken|null}
     *   The first matching token, or `null` if either a trivia filter was not
     *   provided or no tokens matched the token filter.
     */
    static tryGetFirstToken(triviaList: ISyntaxTriviaList, triviaFilter?: SyntaxTriviaFilter, tokenFilter?: SyntaxTokenFilter): ISyntaxToken | null;
    /**
     * Attempts to get the last token from a trivia node containing structure
     * while searching in reversed order.
     *
     * @param {ISyntaxTriviaList} triviaList
     *   The list of trivia to search.
     * @param {SyntaxTriviaFilter=} triviaFilter
     *   A callback used to limit which trivia nodes are searched.
     * @param {SyntaxTokenFilter=} tokenFilter
     *   A callback used to limit which structured nodes are returned.
     *
     * @return {ISyntaxToken|null}
     *   The last matching token, or `null` if either a trivia filter was not
     *   provided or no tokens matched the token filter.
     */
    static tryGetLastToken(triviaList: ISyntaxTriviaList, triviaFilter?: SyntaxTriviaFilter, tokenFilter?: SyntaxTokenFilter): ISyntaxToken | null;
    /**
     * @todo Experimental.
     */
    [Symbol.iterator](): IterableIterator<SyntaxTrivia>;
    /**
     * @inheritDoc
     */
    equals(value: SyntaxTriviaList): boolean;
    /**
     * @inheritDoc
     */
    reversed(): IterableIterator<ISyntaxTrivia>;
    /**
     * @inheritDoc
     */
    triviaAt(index: number): ISyntaxTrivia;
    /**
     * @todo Experimental.
     */
    protected toArray(): ISyntaxTrivia[];
}