import type { CslItem, CslLibrary } from "./types";
/**
 * Convert a CSL item to its spec-compliant serializable form.
 *
 * The in-memory `keyword` field is an array, but CSL-JSON expects a
 * semicolon-separated string. This normalizes `keyword` and omits the field
 * when it is empty or undefined. Use this at any output boundary (storage
 * write, `export` command) so emitted CSL-JSON is always valid.
 *
 * @param item - CSL item with in-memory (array) keyword
 * @returns Item with `keyword` normalized to a string (or omitted)
 */
export declare function toSerializableCslItem(item: CslItem): Record<string, unknown>;
/**
 * Convert a CSL library to its spec-compliant serializable form.
 * @param library - CSL-JSON library (array of items)
 * @returns Array of items with normalized keyword fields
 */
export declare function toSerializableCslLibrary(library: CslLibrary): Record<string, unknown>[];
/**
 * Serialize a CSL-JSON library to a formatted JSON string
 * @param library - CSL-JSON library (array of items)
 * @returns Formatted JSON string with 2-space indentation
 */
export declare function serializeCslJson(library: CslLibrary): string;
/**
 * Write a CSL-JSON library to a file
 * @param filePath - Path to write the CSL-JSON file
 * @param library - CSL-JSON library to write
 * @throws Error if file cannot be written
 */
export declare function writeCslJson(filePath: string, library: CslLibrary): Promise<void>;
//# sourceMappingURL=serializer.d.ts.map