import type { CharBuffer } from "@bearz/slices/utils";
/**
 * Gets the index of the last occurrence of the specified characters
 * in the string.
 * @param value The string to search.
 * @param chars The characters to search for.
 * @param index The index to start searching from.
 * @returns The index of the last occurrence of the characters in the string.
 * If the string is not found, returns -1.
 */
export declare function lastIndexOf(value: string, chars: CharBuffer, index?: number): number;
/**
 * Gets the index of the last occurrence of the specified characters
 * in the string using case-insensitive comparison.
 * @param value The string to search.
 * @param chars The characters to search for.
 * @param index The index to start searching from.
 * @returns The index of the last occurrence of the characters in the string.
 * If the string is not found, returns -1.
 */
export declare function lastIndexOfFold(value: string, chars: CharBuffer, index?: number): number;