import type { TableDefinition } from './model-types.js';
/**
 * The INSERT column list for `INSERT ... FORMAT JSONEachRow`, or `undefined`
 * for a table without EPHEMERAL columns. Without a list ClickHouse treats
 * EPHEMERAL keys as unknown fields and drops them, so the list names every
 * insertable column. Omitted keys still receive their defaults.
 *
 * A `Nested(...)` column is listed by its `name.field` subcolumns: with the
 * default `flatten_nested = 1` those are the table's real columns, and the
 * Nested name itself is rejected as an unknown column.
 */
export declare function insertColumnList(table: TableDefinition): string[] | undefined;
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