import type { CSLModuleLike, CSLNode, CiteprocEngine, CslSys, SlimCSLNode } from './types/csl';
import type { CompressedChunk } from './tools';
import { decompressChunk, inflateCSLObj } from './tools';
export { decompressChunk, inflateCSLObj };
export type { CompressedChunk, CSLModuleLike, CSLNode, CiteprocEngine, CslSys, SlimCSLNode };
export declare class CSL {
    private readonly styles;
    private readonly styleChunkCache;
    private readonly styleUrlCache;
    private readonly locales;
    private readonly localeChunkCache;
    private readonly localeUrlCache;
    private citeproc;
    /**
     * Return a mapping of all bundled style IDs to their human-readable titles.
     */
    getStyles(): Promise<Record<string, string>>;
    /**
     * Create a citeproc Engine asynchronously, downloading the style and locale
     * if they have not been loaded yet.
     */
    getEngine(originalSys: CslSys, styleId: string | CSLNode, lang?: string, forceLang?: string): Promise<CiteprocEngine>;
    /**
     * Create a citeproc Engine synchronously from already cached downloads.
     * Returns `false` if the required style or locale is not cached yet.
     */
    getEngineSync(originalSys: CslSys, styleId: string | CSLNode, lang?: string, forceLang?: string): CiteprocEngine | false;
    /**
     * Load the citeproc module on demand.
     */
    getCiteproc(): Promise<void>;
    /**
     * Resolve a style identifier to the inflated CSL node expected by citeproc-js.
     * If an already inflated style object is passed in, it is returned as-is.
     */
    getStyle(styleId: string | CSLNode): Promise<CSLNode>;
    /**
     * Resolve the locale for a given style and language.
     */
    getLocale(style: CSLNode, lang?: string, forceLang?: string): Promise<CSLNode>;
}
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