public final class org.apache.lucene.util.SetOnce$AlreadySetException extends java.lang.IllegalStateException
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.apache.lucene.util.SetOnce$AlreadySetException
  super_class: java.lang.IllegalStateException
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.lucene.util.SetOnce$AlreadySetException this
         0: .line 36
            aload 0 /* this */
            ldc "The object cannot be set twice!"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
         1: .line 37
            return
        end local 0 // org.apache.lucene.util.SetOnce$AlreadySetException this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/lucene/util/SetOnce$AlreadySetException;
}
SourceFile: "SetOnce.java"
NestHost: org.apache.lucene.util.SetOnce
InnerClasses:
  public final AlreadySetException = org.apache.lucene.util.SetOnce$AlreadySetException of org.apache.lucene.util.SetOnce