https://spring.io/projects/spring-boot: Spring Boot (Pivotal Software, Inc.) 
public interface org.springframework.boot.web.server.ErrorPageRegistry
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.springframework.boot.web.server.ErrorPageRegistry
  super_class: java.lang.Object
{
  public abstract void addErrorPages(org.springframework.boot.web.server.ErrorPage[]);
    descriptor: ([Lorg/springframework/boot/web/server/ErrorPage;)V
    flags: (0x0481) ACC_PUBLIC, ACC_VARARGS, ACC_ABSTRACT
    MethodParameters:
            Name  Flags
      errorPages  
}
SourceFile: "ErrorPageRegistry.java"
    RuntimeVisibleAnnotations: 
      java.lang.FunctionalInterface()