export declare const duplex: any

export declare const duplexSchema: any

export declare const pack: <IE = never, Done = unknown>() => Channel.Channel<
  Chunk.Chunk<Uint8Array>,
  Chunk.Chunk<unknown>,
  IE | NdjsonError,
  IE,
  Done,
  Done
>

export declare const packSchema: <A, I, R>(
  schema: Schema.Schema<A, I, R>
) => <IE = never, Done = unknown>() => Channel.Channel<Chunk.Chunk<Uint8Array>, Chunk.Chunk<A>, any, IE, Done, Done, R>

export declare const unpack: <IE = never, Done = unknown>(
  options?: NdjsonOptions
) => Channel.Channel<Chunk.Chunk<unknown>, Chunk.Chunk<Uint8Array>, NdjsonError | IE, IE, Done, Done>

export declare const unpackSchema: <A, I, R>(
  schema: Schema.Schema<A, I, R>
) => <IE = never, Done = unknown>(
  options?: NdjsonOptions
) => Channel.Channel<Chunk.Chunk<A>, Chunk.Chunk<Uint8Array>, any, IE, Done, Done, R>

export declare class NdjsonError

export interface NdjsonOptions {
  /**
   * Whether or not the newline delimited JSON parser should ignore empty lines.
   *
   * Defaults to `false`.
   *
   * From the [newline delimited JSON spec](https://github.com/ndjson/ndjson-spec):
   * ```text
   * The parser MAY silently ignore empty lines, e.g. \n\n. This behavior MUST
   * be documented and SHOULD be configurable by the user of the parser.
   * ```
   *
   * @since 1.0.0
   */
  readonly ignoreEmptyLines?: boolean
}

export declare const NdjsonErrorTypeId: typeof NdjsonErrorTypeId

export type NdjsonErrorTypeId = typeof NdjsonErrorTypeId