/**
 * Parse a combined query string into library name(s) and book title.
 * Checks in order:
 *   1. Comma-separated multi-library token (e.g. "판교,정자 해리포터")
 *   2. Exact single library name anywhere in query (longest name wins)
 *   3. Partial single library per whitespace token
 * Returns null if no library name can be identified.
 *
 * @param allLibraryNames - Full list of known library names (caller provides once)
 */
export declare function parseQueryString(query: string, allLibraryNames: string[]): {
    libraryName: string | string[];
    title: string;
} | null;
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