import type { BlockConfig, KsAppClientDataNoMeta } from '@knapsack/types';
export type UnrecognizedTiptapContentReport = {
    blockId: string;
    blockType: BlockConfig['blockType'];
    /** Which JSONContent field on the block, e.g. 'content' or 'guidelines[2].content' */
    fieldPath: string;
    unrecognizedTypes: readonly string[];
};
/**
 * Non-mutating. Walks every block in appClientData.db.blocks.byId that can
 * carry JSONContent, and reports any unrecognized node/mark type names
 * found. Does NOT resolve page/pattern location - callers already have
 * buildBlockLocationMap()/BlockCollectionLocation for that (this package
 * cannot import from app-ui).
 */
export declare function detectUnrecognizedTiptapContent({ appClientData, recognizedTypeNames, }: {
    appClientData: KsAppClientDataNoMeta;
    recognizedTypeNames?: ReadonlySet<string>;
}): UnrecognizedTiptapContentReport[];
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