export interface DocumentLoadOptions {
    /** Total milliseconds from starting this document's download through its initial rendered readiness. */
    timeoutMs?: number;
    /** Cancels only the initial load. Aborting after readiness does not close the document. */
    signal?: AbortSignal;
}
export declare class DocumentLoadError extends Error {
    readonly code: 'DOCUMENT_LOAD_TIMEOUT' | 'DOCUMENT_LOAD_CANCELLED';
    readonly documentId?: string | undefined;
    readonly name = "DocumentLoadError";
    constructor(code: 'DOCUMENT_LOAD_TIMEOUT' | 'DOCUMENT_LOAD_CANCELLED', documentId?: string | undefined);
}
/** One document lifetime. Omitted configuration creates no timer, controller or listener. */
export declare function createDocumentLoadScope(options?: DocumentLoadOptions, documentId?: string): {
    signal: AbortSignal;
    wait<T>(task: Promise<T>): Promise<T>;
    assertActive(): void;
    finish(): boolean;
    cancel: () => void;
    onSettled(listener: () => void): void;
    onFailure(listener: (error: DocumentLoadError) => void): () => boolean;
} | undefined;