export class ValidationError extends Error {
  constructor(message: string) {
    super(message);
    this.name = 'ValidationError';
  }
}

export class VersionError extends Error {
  constructor(message: string) {
    super(message);
    this.name = 'VersionError';
  }
}

export function newVersionError() {
  return new VersionError('Unsupported API version');
}