/**
 * Formats we accept as input for a document job.
 */
export declare const CONVERTIBLE_INPUTS: readonly ["doc", "docx", "odt", "rtf", "txt", "html", "htm"];
/**
 * Formats LibreOffice can actually produce in this WASM build.
 *
 * Verified by probe (2026-09): Writer supports pdf / docx / doc / odt / rtf /
 * txt only. `html` is listed in the converter's own format table but the save
 * step fails with "Failed to save document", so HTML output is NOT used here -
 * the prepare leg goes through {@link docxToEditableHtml} (mammoth) instead.
 */
export declare const CONVERTIBLE_OUTPUTS: readonly ["docx", "doc", "pdf", "odt", "rtf", "txt", "xlsx", "csv", "pptx"];
/**
 * Convert a buffer to `outputFormat`. `inputFormat` is passed as a hint when
 * the input has no reliable signature (an HTML string being turned into a
 * .docx, for example) - without it LibreOffice has to guess. Throws with a
 * readable message when the converter cannot load or the conversion fails.
 */
export declare function convertBuffer(input: Buffer, outputFormat: string, inputFormat?: string): Promise<Buffer>;
/** Release the converter (daemon shutdown / CLI exit). */ export declare function shutdownConverter(): Promise<void>;
/**
 * Produce the editable body of a Word document as HTML.
 *
 * LibreOffice CANNOT do this in the WASM build (HTML export is advertised but
 * the save step fails), so mammoth is used instead: it maps the document's
 * semantic structure - headings, paragraphs, lists, tables, bold/italic,
 * links and images - onto the HTML subset the editor understands. Styling that
 * the editor cannot represent is dropped here; the original file version is
 * never modified, so nothing is lost irretrievably.
 */
export declare function docxToEditableHtml(input: Buffer): Promise<string>;
/** File extension for an output format (docx -> "docx"). */
export declare function extensionFor(format: string, fallback?: string): string;
/** MIME type for a conversion output format (best-effort). */
export declare function mimeFor(format: string): string;