https://lucene.apache.org/lucene-parent/lucene-core: Apache Lucene Java Core (The Apache Software Foundation) 
public class org.apache.lucene.index.SnapshotDeletionPolicy extends org.apache.lucene.index.IndexDeletionPolicy
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.lucene.index.SnapshotDeletionPolicy
  super_class: org.apache.lucene.index.IndexDeletionPolicy
{
  protected final java.util.Map<java.lang.Long, java.lang.Integer> refCounts;
    descriptor: Ljava/util/Map;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Signature: Ljava/util/Map<Ljava/lang/Long;Ljava/lang/Integer;>;

  protected final java.util.Map<java.lang.Long, org.apache.lucene.index.IndexCommit> indexCommits;
    descriptor: Ljava/util/Map;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Signature: Ljava/util/Map<Ljava/lang/Long;Lorg/apache/lucene/index/IndexCommit;>;

  private final org.apache.lucene.index.IndexDeletionPolicy primary;
    descriptor: Lorg/apache/lucene/index/IndexDeletionPolicy;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  protected org.apache.lucene.index.IndexCommit lastCommit;
    descriptor: Lorg/apache/lucene/index/IndexCommit;
    flags: (0x0004) ACC_PROTECTED

  private boolean initCalled;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 46
            ldc Lorg/apache/lucene/index/SnapshotDeletionPolicy;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic org.apache.lucene.index.SnapshotDeletionPolicy.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(org.apache.lucene.index.IndexDeletionPolicy);
    descriptor: (Lorg/apache/lucene/index/IndexDeletionPolicy;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
        start local 1 // org.apache.lucene.index.IndexDeletionPolicy primary
         0: .line 66
            aload 0 /* this */
            invokespecial org.apache.lucene.index.IndexDeletionPolicy.<init>:()V
         1: .line 50
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield org.apache.lucene.index.SnapshotDeletionPolicy.refCounts:Ljava/util/Map;
         2: .line 53
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield org.apache.lucene.index.SnapshotDeletionPolicy.indexCommits:Ljava/util/Map;
         3: .line 67
            aload 0 /* this */
            aload 1 /* primary */
            putfield org.apache.lucene.index.SnapshotDeletionPolicy.primary:Lorg/apache/lucene/index/IndexDeletionPolicy;
         4: .line 68
            return
        end local 1 // org.apache.lucene.index.IndexDeletionPolicy primary
        end local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    5     0     this  Lorg/apache/lucene/index/SnapshotDeletionPolicy;
            0    5     1  primary  Lorg/apache/lucene/index/IndexDeletionPolicy;
    MethodParameters:
         Name  Flags
      primary  

  public synchronized void onCommit(java.util.List<? extends org.apache.lucene.index.IndexCommit>);
    descriptor: (Ljava/util/List;)V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
        start local 1 // java.util.List commits
         0: .line 73
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.primary:Lorg/apache/lucene/index/IndexDeletionPolicy;
            aload 0 /* this */
            aload 1 /* commits */
            invokevirtual org.apache.lucene.index.SnapshotDeletionPolicy.wrapCommits:(Ljava/util/List;)Ljava/util/List;
            invokevirtual org.apache.lucene.index.IndexDeletionPolicy.onCommit:(Ljava/util/List;)V
         1: .line 74
            aload 0 /* this */
            aload 1 /* commits */
            aload 1 /* commits */
            invokeinterface java.util.List.size:()I
            iconst_1
            isub
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            checkcast org.apache.lucene.index.IndexCommit
            putfield org.apache.lucene.index.SnapshotDeletionPolicy.lastCommit:Lorg/apache/lucene/index/IndexCommit;
         2: .line 75
            return
        end local 1 // java.util.List commits
        end local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    3     0     this  Lorg/apache/lucene/index/SnapshotDeletionPolicy;
            0    3     1  commits  Ljava/util/List<+Lorg/apache/lucene/index/IndexCommit;>;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/util/List<+Lorg/apache/lucene/index/IndexCommit;>;)V
    MethodParameters:
         Name  Flags
      commits  

  public synchronized void onInit(java.util.List<? extends org.apache.lucene.index.IndexCommit>);
    descriptor: (Ljava/util/List;)V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
        start local 1 // java.util.List commits
         0: .line 80
            aload 0 /* this */
            iconst_1
            putfield org.apache.lucene.index.SnapshotDeletionPolicy.initCalled:Z
         1: .line 81
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.primary:Lorg/apache/lucene/index/IndexDeletionPolicy;
            aload 0 /* this */
            aload 1 /* commits */
            invokevirtual org.apache.lucene.index.SnapshotDeletionPolicy.wrapCommits:(Ljava/util/List;)Ljava/util/List;
            invokevirtual org.apache.lucene.index.IndexDeletionPolicy.onInit:(Ljava/util/List;)V
         2: .line 82
            aload 1 /* commits */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 3
            goto 6
      StackMap locals: org.apache.lucene.index.SnapshotDeletionPolicy java.util.List top java.util.Iterator
      StackMap stack:
         3: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.lucene.index.IndexCommit
            astore 2 /* commit */
        start local 2 // org.apache.lucene.index.IndexCommit commit
         4: .line 83
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.refCounts:Ljava/util/Map;
            aload 2 /* commit */
            invokevirtual org.apache.lucene.index.IndexCommit.getGeneration:()J
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifeq 6
         5: .line 84
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.indexCommits:Ljava/util/Map;
            aload 2 /* commit */
            invokevirtual org.apache.lucene.index.IndexCommit.getGeneration:()J
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            aload 2 /* commit */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 2 // org.apache.lucene.index.IndexCommit commit
         6: .line 82
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
         7: .line 87
            aload 1 /* commits */
            invokeinterface java.util.List.isEmpty:()Z
            ifne 9
         8: .line 88
            aload 0 /* this */
            aload 1 /* commits */
            aload 1 /* commits */
            invokeinterface java.util.List.size:()I
            iconst_1
            isub
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            checkcast org.apache.lucene.index.IndexCommit
            putfield org.apache.lucene.index.SnapshotDeletionPolicy.lastCommit:Lorg/apache/lucene/index/IndexCommit;
         9: .line 90
      StackMap locals: org.apache.lucene.index.SnapshotDeletionPolicy java.util.List
      StackMap stack:
            return
        end local 1 // java.util.List commits
        end local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   10     0     this  Lorg/apache/lucene/index/SnapshotDeletionPolicy;
            0   10     1  commits  Ljava/util/List<+Lorg/apache/lucene/index/IndexCommit;>;
            4    6     2   commit  Lorg/apache/lucene/index/IndexCommit;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/util/List<+Lorg/apache/lucene/index/IndexCommit;>;)V
    MethodParameters:
         Name  Flags
      commits  

  public synchronized void release(org.apache.lucene.index.IndexCommit);
    descriptor: (Lorg/apache/lucene/index/IndexCommit;)V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
        start local 1 // org.apache.lucene.index.IndexCommit commit
         0: .line 99
            aload 1 /* commit */
            invokevirtual org.apache.lucene.index.IndexCommit.getGeneration:()J
            lstore 2 /* gen */
        start local 2 // long gen
         1: .line 100
            aload 0 /* this */
            lload 2 /* gen */
            invokevirtual org.apache.lucene.index.SnapshotDeletionPolicy.releaseGen:(J)V
         2: .line 101
            return
        end local 2 // long gen
        end local 1 // org.apache.lucene.index.IndexCommit commit
        end local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/apache/lucene/index/SnapshotDeletionPolicy;
            0    3     1  commit  Lorg/apache/lucene/index/IndexCommit;
            1    3     2     gen  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      commit  

  protected void releaseGen(long);
    descriptor: (J)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=5, args_size=2
        start local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
        start local 1 // long gen
         0: .line 105
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.initCalled:Z
            ifne 2
         1: .line 106
            new java.lang.IllegalStateException
            dup
            ldc "this instance is not being used by IndexWriter; be sure to use the instance returned from writer.getConfig().getIndexDeletionPolicy()"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 108
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.refCounts:Ljava/util/Map;
            lload 1 /* gen */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Integer
            astore 3 /* refCount */
        start local 3 // java.lang.Integer refCount
         3: .line 109
            aload 3 /* refCount */
            ifnonnull 5
         4: .line 110
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "commit gen="
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            lload 1 /* gen */
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            ldc " is not currently snapshotted"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 112
      StackMap locals: java.lang.Integer
      StackMap stack:
            aload 3 /* refCount */
            invokevirtual java.lang.Integer.intValue:()I
            istore 4 /* refCountInt */
        start local 4 // int refCountInt
         6: .line 113
            getstatic org.apache.lucene.index.SnapshotDeletionPolicy.$assertionsDisabled:Z
            ifne 7
            iload 4 /* refCountInt */
            ifgt 7
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         7: .line 114
      StackMap locals: int
      StackMap stack:
            iinc 4 /* refCountInt */ -1
         8: .line 115
            iload 4 /* refCountInt */
            ifne 12
         9: .line 116
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.refCounts:Ljava/util/Map;
            lload 1 /* gen */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        10: .line 117
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.indexCommits:Ljava/util/Map;
            lload 1 /* gen */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        11: .line 118
            goto 13
        12: .line 119
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.refCounts:Ljava/util/Map;
            lload 1 /* gen */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            iload 4 /* refCountInt */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        13: .line 121
      StackMap locals:
      StackMap stack:
            return
        end local 4 // int refCountInt
        end local 3 // java.lang.Integer refCount
        end local 1 // long gen
        end local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   14     0         this  Lorg/apache/lucene/index/SnapshotDeletionPolicy;
            0   14     1          gen  J
            3   14     3     refCount  Ljava/lang/Integer;
            6   14     4  refCountInt  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      gen   

  protected synchronized void incRef(org.apache.lucene.index.IndexCommit);
    descriptor: (Lorg/apache/lucene/index/IndexCommit;)V
    flags: (0x0024) ACC_PROTECTED, ACC_SYNCHRONIZED
    Code:
      stack=4, locals=6, args_size=2
        start local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
        start local 1 // org.apache.lucene.index.IndexCommit ic
         0: .line 125
            aload 1 /* ic */
            invokevirtual org.apache.lucene.index.IndexCommit.getGeneration:()J
            lstore 2 /* gen */
        start local 2 // long gen
         1: .line 126
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.refCounts:Ljava/util/Map;
            lload 2 /* gen */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Integer
            astore 4 /* refCount */
        start local 4 // java.lang.Integer refCount
         2: .line 128
            aload 4 /* refCount */
            ifnonnull 6
         3: .line 129
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.indexCommits:Ljava/util/Map;
            lload 2 /* gen */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.lastCommit:Lorg/apache/lucene/index/IndexCommit;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         4: .line 130
            iconst_0
            istore 5 /* refCountInt */
        start local 5 // int refCountInt
         5: .line 131
            goto 7
        end local 5 // int refCountInt
         6: .line 132
      StackMap locals: long java.lang.Integer
      StackMap stack:
            aload 4 /* refCount */
            invokevirtual java.lang.Integer.intValue:()I
            istore 5 /* refCountInt */
        start local 5 // int refCountInt
         7: .line 134
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.refCounts:Ljava/util/Map;
            lload 2 /* gen */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            iload 5 /* refCountInt */
            iconst_1
            iadd
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         8: .line 135
            return
        end local 5 // int refCountInt
        end local 4 // java.lang.Integer refCount
        end local 2 // long gen
        end local 1 // org.apache.lucene.index.IndexCommit ic
        end local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    9     0         this  Lorg/apache/lucene/index/SnapshotDeletionPolicy;
            0    9     1           ic  Lorg/apache/lucene/index/IndexCommit;
            1    9     2          gen  J
            2    9     4     refCount  Ljava/lang/Integer;
            5    6     5  refCountInt  I
            7    9     5  refCountInt  I
    MethodParameters:
      Name  Flags
      ic    

  public synchronized org.apache.lucene.index.IndexCommit snapshot();
    descriptor: ()Lorg/apache/lucene/index/IndexCommit;
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
         0: .line 155
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.initCalled:Z
            ifne 2
         1: .line 156
            new java.lang.IllegalStateException
            dup
            ldc "this instance is not being used by IndexWriter; be sure to use the instance returned from writer.getConfig().getIndexDeletionPolicy()"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 158
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.lastCommit:Lorg/apache/lucene/index/IndexCommit;
            ifnonnull 4
         3: .line 160
            new java.lang.IllegalStateException
            dup
            ldc "No index commit to snapshot"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 163
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.lastCommit:Lorg/apache/lucene/index/IndexCommit;
            invokevirtual org.apache.lucene.index.SnapshotDeletionPolicy.incRef:(Lorg/apache/lucene/index/IndexCommit;)V
         5: .line 165
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.lastCommit:Lorg/apache/lucene/index/IndexCommit;
            areturn
        end local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/apache/lucene/index/SnapshotDeletionPolicy;
    Exceptions:
      throws java.io.IOException

  public synchronized java.util.List<org.apache.lucene.index.IndexCommit> getSnapshots();
    descriptor: ()Ljava/util/List;
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
         0: .line 170
            new java.util.ArrayList
            dup
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.indexCommits:Ljava/util/Map;
            invokeinterface java.util.Map.values:()Ljava/util/Collection;
            invokespecial java.util.ArrayList.<init>:(Ljava/util/Collection;)V
            areturn
        end local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/lucene/index/SnapshotDeletionPolicy;
    Signature: ()Ljava/util/List<Lorg/apache/lucene/index/IndexCommit;>;

  public synchronized int getSnapshotCount();
    descriptor: ()I
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=4, args_size=1
        start local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
         0: .line 175
            iconst_0
            istore 1 /* total */
        start local 1 // int total
         1: .line 176
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.refCounts:Ljava/util/Map;
            invokeinterface java.util.Map.values:()Ljava/util/Collection;
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 3
            goto 4
      StackMap locals: org.apache.lucene.index.SnapshotDeletionPolicy int top java.util.Iterator
      StackMap stack:
         2: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.Integer
            astore 2 /* refCount */
        start local 2 // java.lang.Integer refCount
         3: .line 177
            iload 1 /* total */
            aload 2 /* refCount */
            invokevirtual java.lang.Integer.intValue:()I
            iadd
            istore 1 /* total */
        end local 2 // java.lang.Integer refCount
         4: .line 176
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         5: .line 180
            iload 1 /* total */
            ireturn
        end local 1 // int total
        end local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    6     0      this  Lorg/apache/lucene/index/SnapshotDeletionPolicy;
            1    6     1     total  I
            3    4     2  refCount  Ljava/lang/Integer;

  public synchronized org.apache.lucene.index.IndexCommit getIndexCommit(long);
    descriptor: (J)Lorg/apache/lucene/index/IndexCommit;
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
        start local 1 // long gen
         0: .line 187
            aload 0 /* this */
            getfield org.apache.lucene.index.SnapshotDeletionPolicy.indexCommits:Ljava/util/Map;
            lload 1 /* gen */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.apache.lucene.index.IndexCommit
            areturn
        end local 1 // long gen
        end local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/lucene/index/SnapshotDeletionPolicy;
            0    1     1   gen  J
    MethodParameters:
      Name  Flags
      gen   

  private java.util.List<org.apache.lucene.index.IndexCommit> wrapCommits(java.util.List<? extends org.apache.lucene.index.IndexCommit>);
    descriptor: (Ljava/util/List;)Ljava/util/List;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=5, args_size=2
        start local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
        start local 1 // java.util.List commits
         0: .line 193
            new java.util.ArrayList
            dup
            aload 1 /* commits */
            invokeinterface java.util.List.size:()I
            invokespecial java.util.ArrayList.<init>:(I)V
            astore 2 /* wrappedCommits */
        start local 2 // java.util.List wrappedCommits
         1: .line 194
            aload 1 /* commits */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 4
            goto 4
      StackMap locals: org.apache.lucene.index.SnapshotDeletionPolicy java.util.List java.util.List top java.util.Iterator
      StackMap stack:
         2: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.lucene.index.IndexCommit
            astore 3 /* ic */
        start local 3 // org.apache.lucene.index.IndexCommit ic
         3: .line 195
            aload 2 /* wrappedCommits */
            new org.apache.lucene.index.SnapshotDeletionPolicy$SnapshotCommitPoint
            dup
            aload 0 /* this */
            aload 3 /* ic */
            invokespecial org.apache.lucene.index.SnapshotDeletionPolicy$SnapshotCommitPoint.<init>:(Lorg/apache/lucene/index/SnapshotDeletionPolicy;Lorg/apache/lucene/index/IndexCommit;)V
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        end local 3 // org.apache.lucene.index.IndexCommit ic
         4: .line 194
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         5: .line 197
            aload 2 /* wrappedCommits */
            areturn
        end local 2 // java.util.List wrappedCommits
        end local 1 // java.util.List commits
        end local 0 // org.apache.lucene.index.SnapshotDeletionPolicy this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    6     0            this  Lorg/apache/lucene/index/SnapshotDeletionPolicy;
            0    6     1         commits  Ljava/util/List<+Lorg/apache/lucene/index/IndexCommit;>;
            1    6     2  wrappedCommits  Ljava/util/List<Lorg/apache/lucene/index/IndexCommit;>;
            3    4     3              ic  Lorg/apache/lucene/index/IndexCommit;
    Signature: (Ljava/util/List<+Lorg/apache/lucene/index/IndexCommit;>;)Ljava/util/List<Lorg/apache/lucene/index/IndexCommit;>;
    MethodParameters:
         Name  Flags
      commits  
}
SourceFile: "SnapshotDeletionPolicy.java"
NestMembers:
  org.apache.lucene.index.SnapshotDeletionPolicy$SnapshotCommitPoint
InnerClasses:
  private SnapshotCommitPoint = org.apache.lucene.index.SnapshotDeletionPolicy$SnapshotCommitPoint of org.apache.lucene.index.SnapshotDeletionPolicy