import { IDigester, IUnit, IOptions } from '../utils/types';
export declare type ILettersDecoration = IOptions<{
    color?: string;
    style?: 'solid' | 'double' | 'dotted' | 'dashed' | 'wavy' | string;
    lines: 'underline' | 'overline' | 'line-through' | string | Array<'underline' | 'overline' | 'line-through' | string>;
}>;
export declare type ILetters = IOptions<{
    value?: string | number;
    size?: IUnit;
    color?: string;
    align?: 'left' | 'center' | 'right' | 'justify' | string;
    break?: 'normal' | 'break-all' | 'keep-all' | 'break-word' | string;
    family?: string;
    line?: IUnit;
    italic?: boolean;
    spacing?: IUnit;
    decoration?: 'underline' | 'overline' | 'line-through' | IOptions<ILettersDecoration>;
    thickness?: number | string;
    whitespace?: string;
}>;
export declare type ILettersProps = boolean | string | number | IOptions<ILetters>;
export declare const lettersDigester: IDigester<ILettersProps>;