import { customElement } from 'lit/decorators.js';
export declare const customElementOnce: typeof customElement;
export declare function blobToBase64(blob: Blob): Promise<string>;
export declare function markInteractive(element: HTMLElement): void;
export declare function getAnkiClient(): "iPad" | "iPhone" | "Android" | "Desktop";
export declare function track(pathname: string, event: string, props?: Record<string, any>): Promise<void | Response>;
export declare function pv(pathname: string): Promise<void | Response>;
declare global {
    interface Console {
        patched?: boolean;
    }
}
export declare function patchConsole(): void;
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