import { ParserRuleContext } from "antlr4ng";
import type { QueryExpr } from "../ir/ir.js";
import { type StatementCategory } from "../ir/statement.js";
export declare function lower(tree: ParserRuleContext): QueryExpr;
/** Structural per-statement categories over the root's top-level statements (the organizer/gate
 *  bucket source). Mirrors lowerStatement's mapping without building IR. */
export declare function statementCategories(tree: ParserRuleContext): StatementCategory[];