import { Style } from '../../../types/styles';
import { LitElement } from '../../../../node_modules/lit';
export declare abstract class BaseElement extends LitElement {
    shadow: boolean;
    constructor();
    protected parseJsonAttribute<T = unknown>(attrName: string): T;
    protected get sbStyle(): Style;
    protected getAttributesToExclude(): string[];
    protected getFilteredAttributes(): Record<string, string>;
    protected isCustomPropertySet(property: string): boolean;
    protected applyCustomClass(variables: string[], selector: string, className?: string): void;
    protected moveAttributesToElement(target: HTMLElement, attributesToMove?: string[]): void;
    protected removeAttributesFromHost(attributes?: string[]): void;
    private __initialAttributesCache;
    protected captureHostAttributes(): Record<string, string>;
    protected getHostClass(): string;
    protected removeDuplicateContent(): void;
    protected moveLightDomChildrenInto(target: HTMLElement, specificNodes?: Node[]): void;
}