o {\n id: number;\n nombre: string;\n email: string;\n password: string;\n}\n\n// Excluir campos sensibles\ntype UsuarioSeguro = Omit;\n\n// Equivalente a:\n// {\n// id: number;\n// nombre: string;\n// email: string;\n// }\n\n// Para crear nuevos usuarios (sin id todavía)\ntype CrearUsuarioDto = Omit;\n"}]}] 41:["$","hr","42",{"children":"$undefined"}] 42:["$","h2","44",{"children":"Record"}] 43:["$","p","46",{"children":"Crea un tipo de objeto con tipos específicos de clave y valor."}] 44:["$","pre","48",{"children":["$","code",null,{"className":"language-typescript","children":"// Diccionario simple\ntype RolesUsuario = Record;\nconst roles: RolesUsuario = {\n admin: true,\n editor: false\n};\n\n// Con claves de unión\ntype Estado = 'pendiente' | 'aprobado' | 'rechazado';\ntype ContadoresEstado = Record;\n\nconst contadores: ContadoresEstado = {\n pendiente: 5,\n aprobado: 10,\n rechazado: 2\n};\n\n// ¡Todas las claves deben estar presentes!\n"}]}] 45:["$","hr","50",{"children":"$undefined"}] 46:["$","h2","52",{"children":["Readonly",["$","t","1",{"children":"$undefined"}]]}] 47:["$","p","54",{"children":"Hace todas las propiedades de solo lectura."}] 48:["$","pre","56",{"children":["$","code",null,{"className":"language-typescript","children":["interface Usuario {\n id: number;\n nombre: string;\n}\n\ntype UsuarioInmutable = Readonly;\n\nconst usuario: UsuarioInmutable = { id: 1, nombre: 'Alicia' };\nusuario.nombre = 'Roberto'; // ",["$","svg","1",{"ref":"$undefined","xmlns":"http://www.w3.org/2000/svg","width":24,"height":24,"viewBox":"0 0 24 24","fill":"none","stroke":"currentColor","strokeWidth":2,"strokeLinecap":"round","strokeLinejoin":"round","className":"lucide lucide-x inline-block w-5 h-5 text-red-500 align-text-bottom mr-1","aria-hidden":"true","children":[["$","path","1bl5f8",{"d":"M18 6 6 18"}],["$","path","d8bk6v",{"d":"m6 6 12 12"}],"$undefined"]}]," Error: No se puede asignar a 'nombre'\n"]}]}] 49:["$","hr","58",{"children":"$undefined"}] 4a:["$","h2","60",{"children":"Exclude y Extract"}] 4b:["$","pre","62",{"children":["$","code",null,{"className":"language-typescript","children":"type TodosEstados = 'pendiente' | 'aprobado' | 'rechazado' | 'cancelado';\n\n// Exclude — eliminar de unión\ntype EstadoActivo = Exclude;\n// 'pendiente' | 'aprobado' | 'rechazado'\n\n// Extract — mantener solo coincidentes\ntype EstadoFinal = Extract;\n// 'aprobado' | 'rechazado'\n"}]}] 4c:["$","hr","64",{"children":"$undefined"}] 4d:["$","h2","66",{"children":["NonNullable",["$","t","1",{"children":"$undefined"}]]}] 4e:["$","p","68",{"children":"Elimina null y undefined de un tipo."}] 4f:["$","pre","70",{"children":["$","code",null,{"className":"language-typescript","children":"type QuizasString = string | null | undefined;\n\ntype StringDefinido = NonNullable;\n// string\n\nfunction procesar(valor: NonNullable) {\n // valor garantizado ser string\n console.log(valor.toUpperCase());\n}\n"}]}] 50:["$","hr","72",{"children":"$undefined"}] 51:["$","h2","74",{"children":["ReturnType",["$","t","1",{"children":[" y Parameters",["$","t","1",{"children":"$undefined"}]]}]]}] 52:["$","pre","76",{"children":["$","code",null,{"className":"language-typescript","children":"function crearUsuario(nombre: string, edad: number): Usuario {\n return { id: 1, nombre, edad };\n}\n\n// Obtener tipo de retorno de función\ntype ResultadoUsuario = ReturnType;\n// Usuario\n\n// Obtener parámetros como tupla\ntype ParametrosUsuario = Parameters;\n// [string, number]\n"}]}] 53:["$","hr","78",{"children":"$undefined"}] 54:["$","h2","80",{"children":"Combinando Utility Types"}] 55:["$","pre","82",{"children":["$","code",null,{"className":"language-typescript","children":"interface Usuario {\n id: number;\n nombre: string;\n email: string;\n password: string;\n creadoEn: Date;\n}\n\n// Crear DTO: sin