import { type ReactNode } from 'react';
export declare const AttachmentPreviewSurface: import("react").Context<Document | undefined>;
type Bridge = {
    version: number;
    focus(): void;
    close(): void;
};
export declare function attachmentPreviewBridge(): Bridge | undefined;
/** The child has no application bootstrap. Existing hooks run in the opener. */
export declare class AttachmentPreviewWindow {
    private readonly opener;
    private readonly open;
    private child;
    private root;
    private identity;
    private disconnect;
    constructor(opener: Window, open?: () => Window | null);
    show(identity: string, render: (document: Document) => ReactNode): void;
    close: () => void;
    private dispose;
}
export declare function showAttachmentPreview(identity: string, render: (document: Document) => ReactNode): void;
export declare function closeAttachmentPreview(): void;
export {};
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