https://github.com/google/guava/guava: Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much much more. 
final class com.google.common.io.Closer$SuppressingSuppressor implements com.google.common.io.Closer$Suppressor
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.google.common.io.Closer$SuppressingSuppressor
  super_class: java.lang.Object
{
  static final com.google.common.io.Closer$SuppressingSuppressor INSTANCE;
    descriptor: Lcom/google/common/io/Closer$SuppressingSuppressor;
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  static final java.lang.reflect.Method addSuppressed;
    descriptor: Ljava/lang/reflect/Method;
    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 261
            new com.google.common.io.Closer$SuppressingSuppressor
            dup
            invokespecial com.google.common.io.Closer$SuppressingSuppressor.<init>:()V
            putstatic com.google.common.io.Closer$SuppressingSuppressor.INSTANCE:Lcom/google/common/io/Closer$SuppressingSuppressor;
         1: .line 267
            invokestatic com.google.common.io.Closer$SuppressingSuppressor.addSuppressedMethodOrNull:()Ljava/lang/reflect/Method;
            putstatic com.google.common.io.Closer$SuppressingSuppressor.addSuppressed:Ljava/lang/reflect/Method;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.io.Closer$SuppressingSuppressor this
         0: .line 259
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.google.common.io.Closer$SuppressingSuppressor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/io/Closer$SuppressingSuppressor;

  static boolean isAvailable();
    descriptor: ()Z
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 264
            getstatic com.google.common.io.Closer$SuppressingSuppressor.addSuppressed:Ljava/lang/reflect/Method;
            ifnull 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static java.lang.reflect.Method addSuppressedMethodOrNull();
    descriptor: ()Ljava/lang/reflect/Method;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=6, locals=0, args_size=0
         0: .line 271
            ldc Ljava/lang/Throwable;
            ldc "addSuppressed"
            iconst_1
            anewarray java.lang.Class
            dup
            iconst_0
            ldc Ljava/lang/Throwable;
            aastore
            invokevirtual java.lang.Class.getMethod:(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;
         1: areturn
         2: .line 272
      StackMap locals:
      StackMap stack: java.lang.Throwable
            pop
         3: .line 273
            aconst_null
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.Throwable

  public void suppress(java.io.Closeable, java.lang.Throwable, java.lang.Throwable);
    descriptor: (Ljava/io/Closeable;Ljava/lang/Throwable;Ljava/lang/Throwable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=4, args_size=4
        start local 0 // com.google.common.io.Closer$SuppressingSuppressor this
        start local 1 // java.io.Closeable closeable
        start local 2 // java.lang.Throwable thrown
        start local 3 // java.lang.Throwable suppressed
         0: .line 280
            aload 2 /* thrown */
            aload 3 /* suppressed */
            if_acmpne 2
         1: .line 281
            return
         2: .line 284
      StackMap locals:
      StackMap stack:
            getstatic com.google.common.io.Closer$SuppressingSuppressor.addSuppressed:Ljava/lang/reflect/Method;
            aload 2 /* thrown */
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            aload 3 /* suppressed */
            aastore
            invokevirtual java.lang.reflect.Method.invoke:(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
            pop
         3: .line 285
            goto 6
      StackMap locals:
      StackMap stack: java.lang.Throwable
         4: pop
         5: .line 287
            getstatic com.google.common.io.Closer$LoggingSuppressor.INSTANCE:Lcom/google/common/io/Closer$LoggingSuppressor;
            aload 1 /* closeable */
            aload 2 /* thrown */
            aload 3 /* suppressed */
            invokevirtual com.google.common.io.Closer$LoggingSuppressor.suppress:(Ljava/io/Closeable;Ljava/lang/Throwable;Ljava/lang/Throwable;)V
         6: .line 289
      StackMap locals:
      StackMap stack:
            return
        end local 3 // java.lang.Throwable suppressed
        end local 2 // java.lang.Throwable thrown
        end local 1 // java.io.Closeable closeable
        end local 0 // com.google.common.io.Closer$SuppressingSuppressor this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    7     0        this  Lcom/google/common/io/Closer$SuppressingSuppressor;
            0    7     1   closeable  Ljava/io/Closeable;
            0    7     2      thrown  Ljava/lang/Throwable;
            0    7     3  suppressed  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.Throwable
    MethodParameters:
            Name  Flags
      closeable   
      thrown      
      suppressed  
}
SourceFile: "Closer.java"
NestHost: com.google.common.io.Closer
InnerClasses:
  final LoggingSuppressor = com.google.common.io.Closer$LoggingSuppressor of com.google.common.io.Closer
  final SuppressingSuppressor = com.google.common.io.Closer$SuppressingSuppressor of com.google.common.io.Closer
  abstract Suppressor = com.google.common.io.Closer$Suppressor of com.google.common.io.Closer
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.VisibleForTesting()