import { ParserRuleContext } from "antlr4ng";
import type { QueryExpr } from "../ir/ir.js";
import { type StatementCategory } from "../ir/statement.js";
/** Lower a parsed Databricks statement (CST) into the IR, frozen — immutable after lower() (no pass writes back). */
export declare function lower(tree: ParserRuleContext): QueryExpr;
/** Per-statement categories for every top-level unit of a parsed `multiStatement`, in source order —
 *  one entry per `multiStatementElement`, using the same per-element `statementCategory` lower() uses.
 *  Parity with the other dialects' `statementCategories`; feeds the corpus reclassifier. A legacy
 *  single-statement root (not a `multiStatement`) yields its one category; an empty batch yields []. */
export declare function statementCategories(tree: ParserRuleContext): StatementCategory[];