import { Observable } from "rxjs";
export declare class Formatting {
    constructor(fontSize: number, color: string, bgColor: string, bold: boolean, italic: boolean, underline: boolean, font: string, strikeout: boolean, align: string, list: string);
    bold: boolean;
    italic: boolean;
    underline: boolean;
    fontSize: number;
    color: string;
    bgColor: string;
    font: string;
    strikeout: boolean;
    align: string;
    list: string;
    static default(): Formatting;
}
export declare class FormattingService {
    private _observerBold;
    private readonly _formatBoldChange;
    private _observerUnderline;
    private readonly _formatUnderlineChange;
    private _observerUndo;
    private readonly _undo;
    private _observerRedo;
    private readonly _redo;
    private _observerItalic;
    private readonly _formatItalicChange;
    private _observerColor;
    private readonly _formatColorChange;
    private _observerBgColor;
    private readonly _formatBgColorChange;
    private _observerFontSize;
    private readonly _formatFontSizeChange;
    private _observerFont;
    private readonly _formatFontChange;
    private _observerStrikeout;
    private readonly _formatStrikeoutChange;
    private _observerAlign;
    private readonly _formatAlignChange;
    private _observerList;
    private readonly _formatListChange;
    constructor();
    readonly formatBoldChange: Observable<boolean>;
    readonly formatUnderlineChange: Observable<boolean>;
    readonly formatColorChange: Observable<string>;
    readonly formatBgColorChange: Observable<string>;
    readonly formatFontSizeChange: Observable<number>;
    readonly formatFontChange: Observable<string>;
    readonly undo: Observable<boolean>;
    readonly redo: Observable<boolean>;
    readonly formatItalicChange: Observable<boolean>;
    readonly formatStrikeoutChange: Observable<boolean>;
    readonly formatAlignChange: Observable<string>;
    readonly formatListChange: Observable<string>;
    static createFontSizeOption(val: number): {
        value: number;
        name: string;
        separator: boolean;
    };
    static getFontSizeOptions(): {
        value: number;
        name: string;
        separator: boolean;
    }[];
    static createFontOption(val: string): {
        value: string;
        name: string;
        separator: boolean;
    };
    static getFontOptions(): any[];
    changeFormatFontSize($event: number): void;
    changeFormatBold(bold: boolean): void;
    changeFormatUnderline(underline: boolean): void;
    Undo(): void;
    Redo(): void;
    changeFormatItalic(italic: boolean): void;
    changeFormatColor(color: string): void;
    changeFormatBgColor(bgcolor: string): void;
    changeFormatFont(font: string): void;
    changeFormatStrikeout(strikeout: boolean): void;
    changeFormatAlign(align: string): void;
    changeFormatList(list: string): void;
}