final class org.jruby.util.collections.IntHashMap$NullMap<U> extends org.jruby.util.collections.IntHashMap<U>
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: org.jruby.util.collections.IntHashMap$NullMap
  super_class: org.jruby.util.collections.IntHashMap
{
  static final org.jruby.util.collections.IntHashMap$NullMap INSTANCE;
    descriptor: Lorg/jruby/util/collections/IntHashMap$NullMap;
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 418
            new org.jruby.util.collections.IntHashMap$NullMap
            dup
            invokespecial org.jruby.util.collections.IntHashMap$NullMap.<init>:()V
            putstatic org.jruby.util.collections.IntHashMap$NullMap.INSTANCE:Lorg/jruby/util/collections/IntHashMap$NullMap;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.jruby.util.collections.IntHashMap$NullMap this
         0: .line 420
            aload 0 /* this */
            iconst_0
            invokespecial org.jruby.util.collections.IntHashMap.<init>:(I)V
            return
        end local 0 // org.jruby.util.collections.IntHashMap$NullMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/IntHashMap$NullMap<TU;>;

  public boolean contains(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // org.jruby.util.collections.IntHashMap$NullMap this
        start local 1 // java.lang.Object value
         0: .line 424
            iconst_0
            ireturn
        end local 1 // java.lang.Object value
        end local 0 // org.jruby.util.collections.IntHashMap$NullMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lorg/jruby/util/collections/IntHashMap$NullMap<TU;>;
            0    1     1  value  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      value  

  public boolean containsKey(int);
    descriptor: (I)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // org.jruby.util.collections.IntHashMap$NullMap this
        start local 1 // int key
         0: .line 429
            iconst_0
            ireturn
        end local 1 // int key
        end local 0 // org.jruby.util.collections.IntHashMap$NullMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/IntHashMap$NullMap<TU;>;
            0    1     1   key  I
    MethodParameters:
      Name  Flags
      key   

  public U get();
    descriptor: (I)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // org.jruby.util.collections.IntHashMap$NullMap this
        start local 1 // int key
         0: .line 434
            aconst_null
            areturn
        end local 1 // int key
        end local 0 // org.jruby.util.collections.IntHashMap$NullMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/IntHashMap$NullMap<TU;>;
            0    1     1   key  I
    Signature: (I)TU;
    MethodParameters:
      Name  Flags
      key   

  public U put(int, );
    descriptor: (ILjava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=3, args_size=3
        start local 0 // org.jruby.util.collections.IntHashMap$NullMap this
        start local 1 // int key
        start local 2 // java.lang.Object value
         0: .line 439
            aconst_null
            areturn
        end local 2 // java.lang.Object value
        end local 1 // int key
        end local 0 // org.jruby.util.collections.IntHashMap$NullMap this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lorg/jruby/util/collections/IntHashMap$NullMap<TU;>;
            0    1     1    key  I
            0    1     2  value  TU;
    Signature: (ITU;)TU;
    MethodParameters:
       Name  Flags
      key    
      value  

  public U remove();
    descriptor: (I)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // org.jruby.util.collections.IntHashMap$NullMap this
        start local 1 // int key
         0: .line 444
            aconst_null
            areturn
        end local 1 // int key
        end local 0 // org.jruby.util.collections.IntHashMap$NullMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/IntHashMap$NullMap<TU;>;
            0    1     1   key  I
    Signature: (I)TU;
    MethodParameters:
      Name  Flags
      key   

  protected void rehash();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=0, locals=1, args_size=1
        start local 0 // org.jruby.util.collections.IntHashMap$NullMap this
         0: .line 450
            return
        end local 0 // org.jruby.util.collections.IntHashMap$NullMap this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/jruby/util/collections/IntHashMap$NullMap<TU;>;
}
Signature: <U:Ljava/lang/Object;>Lorg/jruby/util/collections/IntHashMap<TU;>;
SourceFile: "IntHashMap.java"
NestHost: org.jruby.util.collections.IntHashMap
InnerClasses:
  private final NullMap = org.jruby.util.collections.IntHashMap$NullMap of org.jruby.util.collections.IntHashMap