import type { PostgresColumn } from "../types.ts";
/** A row of `VIEW_DEFINITIONS_SQL`. */
export interface ViewDefinitionRow {
    view_id: number | string;
    definition: string;
    non_null_columns: [number | string, number | string][];
}
/**
 * Mark view and materialized view columns as not nullable when PostgreSQL can
 * prove it from the view's query tree (see {@link inferNonNullViewColumns}) or
 * when the column comment has an `@notNull` line. PostgreSQL never sets
 * `attnotnull` on view columns, so without this every one of them is nullable.
 */
export declare function applyViewColumnNullability<T extends PostgresColumn>(columns: T[], rows: ViewDefinitionRow[]): T[];