import type { DbAdapter } from "../adapter.ts";
import type { PgType } from "../pgtype.ts";
import type { Canonical } from "../canonicalise/index.ts";
export interface MaterializedViewColumn {
    name: string;
    type: Canonical;
    isNullable: boolean;
    ordinalPosition: number;
    comment: string | null;
}
export interface MaterializedViewDetails extends PgType<"materializedView"> {
    columns: MaterializedViewColumn[];
    definition: string;
    isPopulated: boolean;
}
declare const extractMaterializedView: (db: DbAdapter, mview: PgType<"materializedView">) => Promise<MaterializedViewDetails>;
export default extractMaterializedView;