import { QueryState } from '../../../services/nlq/nlq-service';
import { ColumnJSON, ColumnSummary } from '../types';
/**
 * Wrap a query or data-options element in `{ column, ...styleProps }`.
 * Accepts NLQ JSON (bare composeCode string, measure FunctionCall, styled item) and CSDK items.
 */
export declare function normalizeToStyledColumn(item: unknown): ColumnJSON | null;
/**
 * All queryState columns as a flat indexed pool (dimensions first, then measures),
 * normalized so every entry is `{ column: <opaque>, ...styleProps }`.
 */
export declare function getColumnsJSON(queryState: QueryState): ColumnJSON[];
export declare function toColumnSummaries(columnsJSON: ColumnJSON[]): ColumnSummary[];
export declare function columnSummariesFromQueryState(queryState: QueryState): ColumnSummary[];