/**
 * The configuration shared by all validators. Changes apply to existing or new validators.
 */
abstract class GlobalConfiguration {
  /**
   * Returns the encoding supported by the terminal.
   *
   * @returns the encoding supported by the terminal
   */
  public abstract getSupportedTerminalEncodings(): Set<number>;

  /**
   * Returns the current terminal encoding.
   *
   * @returns the current terminal encoding (defaults to the auto-detected encoding)
   */
  public abstract getTerminalEncoding(): number;

  /**
   * Sets the terminal encoding of the output.
   * <p>
   * This can be used to force the use of ANSI colors when their support is not detected.
   *
   * @param encoding - the type of encoding that the terminal supports
   * @returns this
   * @throws TypeError if <code>encoding</code> is undefined or null
   */
  public abstract setTerminalEncoding(encoding: number): GlobalConfiguration;
}

export { GlobalConfiguration };