import { RefObject } from "react";
import { InputCodeType } from "./InputCode.interface";
export declare const getPattern: (type: InputCodeType) => "[0-9]*" | "[a-zA-Z]*" | "[a-zA-Z0-9]*";
export declare const getInputMode: (type: InputCodeType) => "numeric" | "text";
export declare const isInteger: (charCode: number | undefined) => boolean | 0 | undefined;
export declare const isLetter: (key: string | undefined) => boolean | undefined;
export declare const isValid: ({ type, key, }: {
    type: InputCodeType;
    key: string | undefined;
}) => boolean | 0 | undefined;
export declare const characterCode: (element: RefObject<HTMLInputElement>) => string | undefined;
export declare const setElementValue: ({ element, value, }: {
    element: RefObject<HTMLInputElement>;
    value: string;
}) => void;