/**
 * 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.
 */
/**
 * The byte order mark of a source file.
 */
export declare enum BomKind {
    Unknown = 0,
    /**
     * UTF-16 (big endian).
     */
    UTF16BE = 1,
    /**
     * UTF-16 (little endian).
     */
    UTF16LE = 2,
    /**
     * UTF-8.
     */
    UTF8 = 3
}
/**
 * Provides general information about a byte order mark.
 */
export declare class BomKindInfo {
    /**
     * Returns the length of a byte order mark, or 0 if the BOM is unsupported.
     */
    static getLength(kind: BomKind): number;
}