import type { ImportOptions, SanityDocument } from './types.js';
export interface StrongRefsTask {
    documentId: string;
    references: string[];
}
export declare function getStrongRefs(doc: SanityDocument): StrongRefsTask | null;
export declare function weakenStrongRefs(doc: SanityDocument): SanityDocument;
export declare function cleanupReferences(doc: SanityDocument, options: ImportOptions): SanityDocument;
export declare function strengthenReferences(strongRefs: StrongRefsTask[], options: ImportOptions): Promise<number[]>;
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