/**
 * 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 { SyntaxDiagnostic } from '../diagnostics/SyntaxDiagnostic';
import { TokenKind } from '../language/TokenKind';
/**
 * A lexical token.
 *
 * This object represents a segment of the source text that was scanned and
 * found to match a pattern associated with a type of token.
 */
export declare class Token {
    /**
     * A list of problems found when scanning the token.
     */
    readonly diagnostics: SyntaxDiagnostic[];
    /**
     * The type of token that was found.
     */
    readonly kind: TokenKind;
    /**
     * The length of the token.
     */
    readonly length: number;
    /**
     * The starting position of the token within the source text.
     */
    readonly offset: number;
    /**
     * Constructs a `Token` object.
     *
     * @param {TokenKind} kind
     *   The type of lexical unit that was found.
     * @param {number} offset
     *   The starting position of the token within the source text.
     * @param {number} length
     *   The length of the token.
     * @param {SyntaxDiagnostic[]=} diagnostics
     *   A list of problems found when scanning the token.
     */
    constructor(kind: TokenKind, offset: number, length: number, diagnostics?: SyntaxDiagnostic[]);
}