import { LitElement } from 'lit';
import './fontStyles.css';
import '../transitionStyles.css';
export declare class A11yFontSizeButton extends LitElement {
    label: string;
    increaseLabel: string;
    decreaseLabel: string;
    increaseAriaLabel: string;
    decreaseAriaLabel: string;
    static properties: {
        label: {
            type: StringConstructor;
            attribute: boolean;
        };
        ariaLabel: {
            type: StringConstructor;
            attribute: boolean;
        };
        increaseLabel: {
            type: StringConstructor;
            attribute: string;
        };
        increaseAriaLabel: {
            type: StringConstructor;
            attribute: string;
        };
        decreaseLabel: {
            type: StringConstructor;
            attribute: string;
        };
        decreaseAriaLabel: {
            type: StringConstructor;
            attribute: string;
        };
    };
    updateLabel(featEnabled?: boolean): void;
    __handleClick(): void;
    connectedCallback(): void;
    createRenderRoot(): this;
    render(): import("lit").TemplateResult<1>;
}