https://openjdk.java.net/ 
public interface java.security.DomainCombiner
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: java.security.DomainCombiner
  super_class: java.lang.Object
{
  public abstract java.security.ProtectionDomain[] combine(java.security.ProtectionDomain[], java.security.ProtectionDomain[]);
    descriptor: ([Ljava/security/ProtectionDomain;[Ljava/security/ProtectionDomain;)[Ljava/security/ProtectionDomain;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
                 Name  Flags
      currentDomains   
      assignedDomains  
}
SourceFile: "DomainCombiner.java"