/**
 * Lightweight store for tracking the last-viewed document context.
 * Updated by LaminaImageInput and regenerateAction when they interact
 * with a document. Read by LaminaTool to populate the lamina:context
 * postMessage sent to the embed iframe.
 */
export interface DocumentContext {
    documentId: string;
    documentType: string;
    documentTitle: string | null;
    fieldName: string | null;
    fieldType: 'image' | 'file' | null;
}
export declare function setDocumentContext(ctx: DocumentContext): void;
export declare function getDocumentContext(): DocumentContext | null;