import { IStaticFileWithLocalBody } from "../types/recordables.js";
import { RecordingContext } from "../recorder/RecordingContext.js";
import { IInterceptor } from "../types/interceptor.js";
export declare class CSSReferenceProvider implements IInterceptor {
    private onEvent;
    private _context;
    private cursor;
    private mutationObserver;
    private persistedStaticFileUrls;
    constructor(onEvent: (event: IStaticFileWithLocalBody) => void, _context: RecordingContext);
    stop(): void;
    start(): void;
    private sync;
    private gatherNewStyleSheets;
    private extractExternalReferences;
    private extractExternalDeclarationReferences;
    private intercept;
    private onMutation;
}