import "./styles.css";
import { API, InlineTool } from "@editorjs/editorjs";
export declare class FontSize implements InlineTool {
    static readonly CSS_CLASS = "editorjs-font-size";
    readonly api?: API;
    private font_size;
    constructor({ api }: {
        api?: API;
    });
    static get isInline(): boolean;
    static get title(): string;
    surround(): void;
    render(): HTMLElement;
    static get sanitize(): {
        text: {
            br: boolean;
        };
        span: {
            style: boolean;
            class: boolean;
            id: boolean;
            "data-tooltip": boolean;
            "data-user": boolean;
        };
        mark: {
            class: boolean;
            id: boolean;
        };
        font: {
            class: boolean;
            color: boolean;
            face: boolean;
            size: boolean;
            style: boolean;
        };
    };
    checkState(): boolean;
}