/** ******************************************************************************
 * Copyright (C) 2018 Red Hat, Inc. and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/
/**
 * Determines if haystack starts with needle.
 */
export declare function startsWith(haystack: string, needle: string): boolean;
/**
 * Determines if haystack ends with needle.
 */
export declare function endsWith(haystack: string, needle: string): boolean;
export declare function isLowerAsciiLetter(code: number): boolean;
export declare function isUpperAsciiLetter(code: number): boolean;
export declare function equalsIgnoreCase(a: string, b: string): boolean;
/**
 * Escapes regular expression characters in a given string
 */
export declare function escapeRegExpCharacters(value: string): string;
export declare function startsWithIgnoreCase(str: string, candidate: string): boolean;
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