import type { CSLNode, CompressedChunk, SlimCSLNode } from './types/csl';
export type { CompressedChunk };
/**
 * Decompress a chunk that was gzip-compressed and base64-encoded by the build.
 * Returns the data unchanged if it is already a slim CSL node.
 */
export declare function decompressChunk<T = SlimCSLNode>(data: SlimCSLNode | CompressedChunk): Promise<T>;
/**
 * Fetch a JSON asset that may be served either raw or gzip-compressed.
 * Detects the gzip magic bytes (0x1f 0x8b) and decompresses if needed.
 */
export declare function fetchGzJSON<T = unknown>(url: string): Promise<T>;
/**
 * Inflate a compressed CSL JSON node into the object shape expected by citeproc-js.
 */
export declare function inflateCSLObj(slimObj: SlimCSLNode | CSLNode): CSLNode;
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