export declare class UtilsOtpInputConfig {
    inputStyles?: {
        [key: string]: any;
    };
    containerStyles?: {
        [key: string]: any;
    };
    /**
     * @deprecated Don't use as this will be removed in upcoming versions
     */
    allowKeyCodes?: string[];
    length: number;
    allowNumbersOnly?: boolean;
    inputClass?: string;
    containerClass?: string;
    isPasswordInput?: boolean;
    disableAutoFocus?: boolean;
    placeholder?: string;
    letterCase?: 'Upper' | 'Lower';
}