import type { Schema } from "@frictionless-ts/metadata";
import * as pl from "nodejs-polars";
import type { Table } from "../table/index.ts";
import type { SchemaOptions } from "./Options.ts";
export interface InferSchemaOptions extends SchemaOptions {
    sampleRows?: number;
    confidence?: number;
    commaDecimal?: boolean;
    monthFirst?: boolean;
    keepStrings?: boolean;
}
export declare function inferSchemaFromTable(table: Table, options?: InferSchemaOptions): Promise<Schema>;
export declare function inferSchemaFromSample(sample: pl.DataFrame, options?: Exclude<InferSchemaOptions, "sampleRows">): Schema;