import type { Schema } from "@frictionless-ts/metadata";
import * as pl from "nodejs-polars";
import type { SchemaMapping } from "../schema/index.ts";
import type { Table } from "./Table.ts";
export declare function normalizeTable(table: Table, schema: Schema): Promise<pl.LazyDataFrame<any>>;
export declare function normalizeFields(mapping: SchemaMapping): Record<string, pl.Expr>;