export type Fragment = {
  type: 'ONE_CONFIG',
};

export type One = {
  ...Fragment,
  config: null,
};

export type Two = {
  type: 'TWO_CONFIG',
  config: null,
};

export type Union =
  | One
  | Two

function toMetricConfig(config: Union) {
  if(config.type === 0 as any) {}
};
