type LibPgQuery = typeof import('@libpg-query/parser');
export declare class MissingSqlAstParserError extends Error {
    constructor();
}
/**
 * Ensures the @libpg-query/parser WASM module is loaded.
 * Must be awaited once before any synchronous parseSql() calls.
 */
export declare function initSqlAst(importer?: () => Promise<LibPgQuery>): Promise<void>;
export declare function parseSql(content: string): ReturnType<LibPgQuery['parseSync']>;
export {};