/**
 * Fully resolved character style. Tri-state deltas exist only during
 * frontend resolution; by the time content reaches the model every toggle
 * has a definite value.
 */
export interface Style {
    bold: boolean;
    italic: boolean;
    strike: boolean;
    code: boolean;
}
export declare const PLAIN: Style;
export declare function stylesEqual(a: Style, b: Style): boolean;