https://openjdk.java.net/ 
public interface sun.security.util.PermissionFactory<T extends java.security.Permission>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: sun.security.util.PermissionFactory
  super_class: java.lang.Object
{
  public abstract T newPermission(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/security/Permission;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (Ljava/lang/String;)TT;
    MethodParameters:
      Name  Flags
      name  
}
Signature: <T:Ljava/security/Permission;>Ljava/lang/Object;
SourceFile: "PermissionFactory.java"