class Problem
DEFAULT_TYPE = "https://api.example.com/problems/about:blank".freeze
attr_reader :type, :title, :status, :detail, :instance, :extensions
def initialize(status:, title:, detail: nil, type: nil, instance: nil, extensions: {})
package com.example.api.error;
import com.fasterxml.jackson.annotation.JsonInclude;
import java.time.Instant;
import java.util.List;
package com.example.api.error;
import com.fasterxml.jackson.annotation.JsonInclude;
import java.time.Instant;
import java.util.List;