export function convertMaskToPlaceholder(mask?: any[], placeholderChar?: string): string;
export function isArray(value: any): boolean;
export function isString(value: any): boolean;
export function isNumber(value: any): boolean;
export function isNil(value: any): boolean;
export function processCaretTraps(mask: any): {
    maskWithoutCaretTraps: any;
    indexes: any[];
};