type DependencyBase = {
  binary: string;
  packageName?: string;
};

type DependencyCustom = DependencyBase & {
  custom: true;
  install: () => Promise<void>;
  uninstall: () => Promise<void>;
};

export type Dependency = DependencyBase | DependencyCustom;

export const isDependencyCustom = (
  dependency: Dependency,
): dependency is DependencyCustom => 'custom' in dependency;