public abstract class jdk.internal.agent.FileSystem
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: jdk.internal.agent.FileSystem
  super_class: java.lang.Object
{
  private static final java.lang.Object lock;
    descriptor: Ljava/lang/Object;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static jdk.internal.agent.FileSystem fs;
    descriptor: Ljdk/internal/agent/FileSystem;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 38
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putstatic jdk.internal.agent.FileSystem.lock:Ljava/lang/Object;
         1: .line 39
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // jdk.internal.agent.FileSystem this
         0: .line 41
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // jdk.internal.agent.FileSystem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljdk/internal/agent/FileSystem;

  public static jdk.internal.agent.FileSystem open();
    descriptor: ()Ljdk/internal/agent/FileSystem;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=0
         0: .line 47
            getstatic jdk.internal.agent.FileSystem.lock:Ljava/lang/Object;
            dup
            astore 0
            monitorenter
         1: .line 48
            getstatic jdk.internal.agent.FileSystem.fs:Ljdk/internal/agent/FileSystem;
            ifnonnull 3
         2: .line 49
            new jdk.internal.agent.FileSystemImpl
            dup
            invokespecial jdk.internal.agent.FileSystemImpl.<init>:()V
            putstatic jdk.internal.agent.FileSystem.fs:Ljdk/internal/agent/FileSystem;
         3: .line 51
      StackMap locals: java.lang.Object
      StackMap stack:
            getstatic jdk.internal.agent.FileSystem.fs:Ljdk/internal/agent/FileSystem;
            aload 0
            monitorexit
         4: areturn
         5: .line 47
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 0
            monitorexit
         6: athrow
      LocalVariableTable:
        Start  End  Slot  Name  Signature
      Exception table:
        from    to  target  type
           1     4       5  any
           5     6       5  any

  public abstract boolean supportsFileSecurity(java.io.File);
    descriptor: (Ljava/io/File;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      f     

  public abstract boolean isAccessUserOnly(java.io.File);
    descriptor: (Ljava/io/File;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      f     
}
SourceFile: "FileSystem.java"