/**
 * 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 { PhpLexerState } from './PhpLexerState';
/**
 * Represents a span of text within a string template that should be tokenized
 * using a specified lexing state.
 */
export declare class TemplateSpan {
    readonly state: PhpLexerState;
    /**
     * The starting position of the span.
     */
    readonly start: number;
    /**
     * The length of the span.
     */
    readonly length: number;
    /**
     * Constructs a `TemplateSpan` object.
     *
     * @param {PhpLexerState} state
     *   The lexer state inside the span.
     * @param {number} start
     *   The starting offset.
     * @param {number} length
     *   The length of the span.
     */
    constructor(state: PhpLexerState, start: number, length: number);
    /**
     * Creates a `TemplateSpan` from starting and ending positions.
     *
     * @param {PhpLexerState} state
     *   The lexer state inside the span.
     * @param {number} start
     *   The starting offset.
     * @param {number} end
     *   The ending offset.
     */
    static fromBounds(state: PhpLexerState, start: number, end: number): TemplateSpan;
}