/**
 * Base class for all PXM Select sub-components
 * Provides common functionality for finding parent select and error handling
 */
export declare abstract class BaseSelectComponent extends HTMLElement {
    protected selectRoot?: HTMLElement;
    protected initialized: boolean;
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    protected abstract initialize(): void;
    protected abstract cleanup(): void;
    protected findSelectRoot(): void;
    protected getSelectInstance(): any;
    protected safeSelectCall(methodName: string, ...args: any[]): any;
}