https://openjdk.java.net/projects/openjfx/javafx-controls/: OpenJFX JavaFX
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class javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1 extends javafx.scene.layout.StackPane
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1
  super_class: javafx.scene.layout.StackPane
{
  final javafx.scene.control.skin.TabPaneSkin$TabControlButtons this$1;
    descriptor: Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(javafx.scene.control.skin.TabPaneSkin$TabControlButtons);
    descriptor: (Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1 this
         0: .line 1722
            aload 0 /* this */
            aload 1
            putfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.this$1:Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons;
            aload 0 /* this */
            invokespecial javafx.scene.layout.StackPane.<init>:()V
            return
        end local 0 // javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons$1;
    MethodParameters:
        Name  Flags
      this$0  final

  protected double computePrefWidth(double);
    descriptor: (D)D
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=6, locals=7, args_size=2
        start local 0 // javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1 this
        start local 1 // double height
         0: .line 1725
            aload 0 /* this */
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.this$1:Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons;
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons.isShowTabsMenu:()Z
            ifne 1
            dconst_0
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 0 /* this */
            aload 0 /* this */
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.this$1:Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons;
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons.downArrow:Ljavafx/scene/layout/StackPane;
            aload 0 /* this */
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.getHeight:()D
            invokevirtual javafx.scene.layout.StackPane.prefWidth:(D)D
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snapSize:(D)D
            aload 0 /* this */
            aload 0 /* this */
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.this$1:Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons;
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons.downArrowBtn:Ljavafx/scene/layout/Pane;
            aload 0 /* this */
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.getHeight:()D
            invokevirtual javafx.scene.layout.Pane.prefWidth:(D)D
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snapSize:(D)D
            dadd
      StackMap locals:
      StackMap stack: double
         2: dstore 5 /* maxArrowWidth */
        start local 5 // double maxArrowWidth
         3: .line 1726
            dconst_0
            dstore 3 /* pw */
        start local 3 // double pw
         4: .line 1727
            aload 0 /* this */
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.this$1:Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons;
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons.isShowTabsMenu:()Z
            ifeq 6
         5: .line 1728
            dload 3 /* pw */
            dload 5 /* maxArrowWidth */
            dadd
            dstore 3 /* pw */
         6: .line 1730
      StackMap locals: double double
      StackMap stack:
            dload 3 /* pw */
            dconst_0
            dcmpl
            ifle 8
         7: .line 1731
            dload 3 /* pw */
            aload 0 /* this */
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snappedLeftInset:()D
            aload 0 /* this */
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snappedRightInset:()D
            dadd
            dadd
            dstore 3 /* pw */
         8: .line 1733
      StackMap locals:
      StackMap stack:
            dload 3 /* pw */
            dreturn
        end local 5 // double maxArrowWidth
        end local 3 // double pw
        end local 1 // double height
        end local 0 // javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1 this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    9     0           this  Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons$1;
            0    9     1         height  D
            4    9     3             pw  D
            3    9     5  maxArrowWidth  D
    MethodParameters:
        Name  Flags
      height  

  protected double computePrefHeight(double);
    descriptor: (D)D
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=6, locals=5, args_size=2
        start local 0 // javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1 this
        start local 1 // double width
         0: .line 1737
            dconst_0
            dstore 3 /* height */
        start local 3 // double height
         1: .line 1738
            aload 0 /* this */
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.this$1:Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons;
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons.isShowTabsMenu:()Z
            ifeq 3
         2: .line 1739
            dload 3 /* height */
            aload 0 /* this */
            aload 0 /* this */
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.this$1:Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons;
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons.downArrowBtn:Ljavafx/scene/layout/Pane;
            dload 1 /* width */
            invokevirtual javafx.scene.layout.Pane.prefHeight:(D)D
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snapSize:(D)D
            invokestatic java.lang.Math.max:(DD)D
            dstore 3 /* height */
         3: .line 1741
      StackMap locals: double
      StackMap stack:
            dload 3 /* height */
            dconst_0
            dcmpl
            ifle 5
         4: .line 1742
            dload 3 /* height */
            aload 0 /* this */
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snappedTopInset:()D
            aload 0 /* this */
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snappedBottomInset:()D
            dadd
            dadd
            dstore 3 /* height */
         5: .line 1744
      StackMap locals:
      StackMap stack:
            dload 3 /* height */
            dreturn
        end local 3 // double height
        end local 1 // double width
        end local 0 // javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1 this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0    this  Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons$1;
            0    6     1   width  D
            1    6     3  height  D
    MethodParameters:
       Name  Flags
      width  

  protected void layoutChildren();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=11, locals=9, args_size=1
        start local 0 // javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1 this
         0: .line 1748
            aload 0 /* this */
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.this$1:Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons;
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons.isShowTabsMenu:()Z
            ifeq 6
         1: .line 1749
            dconst_0
            dstore 1 /* x */
        start local 1 // double x
         2: .line 1750
            aload 0 /* this */
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snappedTopInset:()D
            dstore 3 /* y */
        start local 3 // double y
         3: .line 1751
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.getWidth:()D
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snapSize:(D)D
            dload 1 /* x */
            dsub
            aload 0 /* this */
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snappedLeftInset:()D
            dadd
            dstore 5 /* w */
        start local 5 // double w
         4: .line 1752
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.getHeight:()D
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snapSize:(D)D
            dload 3 /* y */
            dsub
            aload 0 /* this */
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snappedBottomInset:()D
            dadd
            dstore 7 /* h */
        start local 7 // double h
         5: .line 1753
            aload 0 /* this */
            aload 0 /* this */
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.this$1:Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons;
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons.downArrowBtn:Ljavafx/scene/layout/Pane;
            aload 0 /* this */
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.this$1:Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons;
            getfield javafx.scene.control.skin.TabPaneSkin$TabControlButtons.downArrow:Ljavafx/scene/layout/StackPane;
            dload 1 /* x */
            dload 3 /* y */
            dload 5 /* w */
            dload 7 /* h */
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.positionArrow:(Ljavafx/scene/layout/Pane;Ljavafx/scene/layout/StackPane;DDDD)V
        end local 7 // double h
        end local 5 // double w
        end local 3 // double y
        end local 1 // double x
         6: .line 1755
      StackMap locals:
      StackMap stack:
            return
        end local 0 // javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons$1;
            2    6     1     x  D
            3    6     3     y  D
            4    6     5     w  D
            5    6     7     h  D

  private void positionArrow(javafx.scene.layout.Pane, javafx.scene.layout.StackPane, double, double, double, double);
    descriptor: (Ljavafx/scene/layout/Pane;Ljavafx/scene/layout/StackPane;DDDD)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=14, locals=15, args_size=7
        start local 0 // javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1 this
        start local 1 // javafx.scene.layout.Pane btn
        start local 2 // javafx.scene.layout.StackPane arrow
        start local 3 // double x
        start local 5 // double y
        start local 7 // double width
        start local 9 // double height
         0: .line 1758
            aload 1 /* btn */
            dload 7 /* width */
            dload 9 /* height */
            invokevirtual javafx.scene.layout.Pane.resize:(DD)V
         1: .line 1759
            aload 0 /* this */
            aload 1 /* btn */
            dload 3 /* x */
            dload 5 /* y */
            dload 7 /* width */
            dload 9 /* height */
            dconst_0
         2: .line 1760
            getstatic javafx.geometry.HPos.CENTER:Ljavafx/geometry/HPos;
            getstatic javafx.geometry.VPos.CENTER:Ljavafx/geometry/VPos;
         3: .line 1759
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.positionInArea:(Ljavafx/scene/Node;DDDDDLjavafx/geometry/HPos;Ljavafx/geometry/VPos;)V
         4: .line 1762
            aload 0 /* this */
            aload 2 /* arrow */
            ldc -1.0
            invokevirtual javafx.scene.layout.StackPane.prefWidth:(D)D
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snapSize:(D)D
            dstore 11 /* arrowWidth */
        start local 11 // double arrowWidth
         5: .line 1763
            aload 0 /* this */
            aload 2 /* arrow */
            ldc -1.0
            invokevirtual javafx.scene.layout.StackPane.prefHeight:(D)D
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.snapSize:(D)D
            dstore 13 /* arrowHeight */
        start local 13 // double arrowHeight
         6: .line 1764
            aload 2 /* arrow */
            dload 11 /* arrowWidth */
            dload 13 /* arrowHeight */
            invokevirtual javafx.scene.layout.StackPane.resize:(DD)V
         7: .line 1765
            aload 0 /* this */
            aload 2 /* arrow */
            aload 1 /* btn */
            invokevirtual javafx.scene.layout.Pane.snappedLeftInset:()D
            aload 1 /* btn */
            invokevirtual javafx.scene.layout.Pane.snappedTopInset:()D
         8: .line 1766
            dload 7 /* width */
            aload 1 /* btn */
            invokevirtual javafx.scene.layout.Pane.snappedLeftInset:()D
            dsub
            aload 1 /* btn */
            invokevirtual javafx.scene.layout.Pane.snappedRightInset:()D
            dsub
         9: .line 1767
            dload 9 /* height */
            aload 1 /* btn */
            invokevirtual javafx.scene.layout.Pane.snappedTopInset:()D
            dsub
            aload 1 /* btn */
            invokevirtual javafx.scene.layout.Pane.snappedBottomInset:()D
            dsub
        10: .line 1768
            dconst_0
            getstatic javafx.geometry.HPos.CENTER:Ljavafx/geometry/HPos;
            getstatic javafx.geometry.VPos.CENTER:Ljavafx/geometry/VPos;
        11: .line 1765
            invokevirtual javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1.positionInArea:(Ljavafx/scene/Node;DDDDDLjavafx/geometry/HPos;Ljavafx/geometry/VPos;)V
        12: .line 1769
            return
        end local 13 // double arrowHeight
        end local 11 // double arrowWidth
        end local 9 // double height
        end local 7 // double width
        end local 5 // double y
        end local 3 // double x
        end local 2 // javafx.scene.layout.StackPane arrow
        end local 1 // javafx.scene.layout.Pane btn
        end local 0 // javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1 this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   13     0         this  Ljavafx/scene/control/skin/TabPaneSkin$TabControlButtons$1;
            0   13     1          btn  Ljavafx/scene/layout/Pane;
            0   13     2        arrow  Ljavafx/scene/layout/StackPane;
            0   13     3            x  D
            0   13     5            y  D
            0   13     7        width  D
            0   13     9       height  D
            5   13    11   arrowWidth  D
            6   13    13  arrowHeight  D
    MethodParameters:
        Name  Flags
      btn     
      arrow   
      x       
      y       
      width   
      height  
}
SourceFile: "TabPaneSkin.java"
EnclosingMethod: javafx.scene.control.skin.TabPaneSkin$TabControlButtons.<init>:(Ljavafx/scene/control/skin/TabPaneSkin;)V
NestHost: javafx.scene.control.skin.TabPaneSkin
InnerClasses:
  TabControlButtons = javafx.scene.control.skin.TabPaneSkin$TabControlButtons of javafx.scene.control.skin.TabPaneSkin
  javafx.scene.control.skin.TabPaneSkin$TabControlButtons$1