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import validator from "https://jspm.dev/class-validator@0.8.5";
const { Length, Contains, IsInt, Min, Max, IsEmail } = validator;
export class PostModel {  @Length(10, 20)  title?: string;
  @Contains("hello")  text?: string;
  @IsInt()  @Min(0)  @Max(10)  rating?: number;
  @IsEmail()  email?: string;}