interface ApiResponse {
  user_id: number;
  full_name: string;
  is_active: boolean;
}

export function toCamelCase(response: ApiResponse): { userId: number; fullName: string; isActive: boolean } {
  // Extrae y renombra las propiedades con destructuring ({ prop: alias })
  const {user_id : userId, full_name : fullName, is_active : isActive} = response;
  return { userId, fullName, isActive, };
}

const obj = toCamelCase( { user_id : 123, full_name : 'Jose Pereira', is_active : true })
console.log(obj);