export interface DocxInspection {
    /** True when the body contains nothing the merge would have to drop. */
    supported: boolean;
    /** Human-readable reasons, one per construct family found. */
    unsupported: string[];
    /**
     * The body carries a table of contents. That is DERIVED content Word
     * regenerates, so it does not block editing - the merge re-emits an
     * equivalent TOC field instead of dropping it.
     */
    toc: boolean;
    /** Number of `w:sectPr` blocks in the body (1 = single section). */
    sections: number;
}
/**
 * Inspect a `.docx` package. Returns `{ supported: false, unsupported: [...] }`
 * when editing would require dropping content.
 *
 * Never throws: an unreadable package is reported as unsupported (the caller
 * treats that as "cannot edit safely"), so a corrupt file can never be edited
 * destructively.
 */
export declare function inspectDocx(bytes: Buffer): Promise<DocxInspection>;