/** Normalize whitespace for stable hashing/preview output. */
export declare function normalizeQuery(q: string): string;
/**
 * Split SQL into individual statements.
 * Handles: 'single quotes' (incl '' escaping), "double quotes" (incl "" escaping),
 * `backticks`, -- line comments, /* block comments */
export declare function splitSqlStatements(sql: string): string[];
/** Cover common SELECT shapes like "WITH ... SELECT ..." */
export declare function isSelectish(sql: string): boolean;
