https://logging.apache.org/log4j/2.x/log4j-core/: The Apache Log4j Implementation (The Apache Software Foundation)
  • Ralph Goers (Nextiva)
  • Gary Gregory (Rocket Software)
  • Scott Deboy
  • Remko Popma
  • Nick Williams
  • Matt Sicker (Independent Consultant)
  • Bruce Brouwer
  • Mikael Ståldal (Spotify) 
public class org.apache.logging.log4j.core.appender.FileAppender$Builder<B extends org.apache.logging.log4j.core.appender.FileAppender$Builder<B>> extends org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender$Builder<B> implements org.apache.logging.log4j.core.util.Builder<org.apache.logging.log4j.core.appender.FileAppender>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.logging.log4j.core.appender.FileAppender$Builder
  super_class: org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender$Builder
{
  private java.lang.String fileName;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute()
      org.apache.logging.log4j.core.config.plugins.validation.constraints.Required()

  private boolean append;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute()

  private boolean locking;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute()

  private boolean advertise;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute()

  private java.lang.String advertiseUri;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute()

  private boolean createOnDemand;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute()

  private java.lang.String filePermissions;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute()

  private java.lang.String fileOwner;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute()

  private java.lang.String fileGroup;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute()

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
         0: .line 51
            aload 0 /* this */
            invokespecial org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender$Builder.<init>:()V
         1: .line 59
            aload 0 /* this */
            iconst_1
            putfield org.apache.logging.log4j.core.appender.FileAppender$Builder.append:Z
         2: .line 51
            return
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;

  public org.apache.logging.log4j.core.appender.FileAppender build();
    descriptor: ()Lorg/apache/logging/log4j/core/appender/FileAppender;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=12, locals=5, args_size=1
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
         0: .line 84
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.isBufferedIo:()Z
            istore 1 /* bufferedIo */
        start local 1 // boolean bufferedIo
         1: .line 85
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.getBufferSize:()I
            istore 2 /* bufferSize */
        start local 2 // int bufferSize
         2: .line 86
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.locking:Z
            ifeq 5
            iload 1 /* bufferedIo */
            ifeq 5
         3: .line 87
            invokestatic org.apache.logging.log4j.core.appender.FileAppender.access$0:()Lorg/apache/logging/log4j/Logger;
            ldc "Locking and buffering are mutually exclusive. No buffering will occur for {}"
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.fileName:Ljava/lang/String;
            invokeinterface org.apache.logging.log4j.Logger.warn:(Ljava/lang/String;Ljava/lang/Object;)V
         4: .line 88
            iconst_0
            istore 1 /* bufferedIo */
         5: .line 90
      StackMap locals: int int
      StackMap stack:
            iload 1 /* bufferedIo */
            ifne 7
            iload 2 /* bufferSize */
            ifle 7
         6: .line 91
            invokestatic org.apache.logging.log4j.core.appender.FileAppender.access$0:()Lorg/apache/logging/log4j/Logger;
            ldc "The bufferSize is set to {} but bufferedIo is false: {}"
            iload 2 /* bufferSize */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            iload 1 /* bufferedIo */
            invokestatic java.lang.Boolean.valueOf:(Z)Ljava/lang/Boolean;
            invokeinterface org.apache.logging.log4j.Logger.warn:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
         7: .line 93
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.getOrCreateLayout:()Lorg/apache/logging/log4j/core/Layout;
            astore 3 /* layout */
        start local 3 // org.apache.logging.log4j.core.Layout layout
         8: .line 95
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.fileName:Ljava/lang/String;
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.append:Z
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.locking:Z
            iload 1 /* bufferedIo */
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.createOnDemand:Z
         9: .line 96
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.advertiseUri:Ljava/lang/String;
            aload 3 /* layout */
            iload 2 /* bufferSize */
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.filePermissions:Ljava/lang/String;
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.fileOwner:Ljava/lang/String;
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.fileGroup:Ljava/lang/String;
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.getConfiguration:()Lorg/apache/logging/log4j/core/config/Configuration;
        10: .line 95
            invokestatic org.apache.logging.log4j.core.appender.FileManager.getFileManager:(Ljava/lang/String;ZZZZLjava/lang/String;Lorg/apache/logging/log4j/core/Layout;ILjava/lang/String;Ljava/lang/String;Ljava/lang/String;Lorg/apache/logging/log4j/core/config/Configuration;)Lorg/apache/logging/log4j/core/appender/FileManager;
            astore 4 /* manager */
        start local 4 // org.apache.logging.log4j.core.appender.FileManager manager
        11: .line 97
            aload 4 /* manager */
            ifnonnull 13
        12: .line 98
            aconst_null
            areturn
        13: .line 101
      StackMap locals: org.apache.logging.log4j.core.Layout org.apache.logging.log4j.core.appender.FileManager
      StackMap stack:
            new org.apache.logging.log4j.core.appender.FileAppender
            dup
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.getName:()Ljava/lang/String;
            aload 3 /* layout */
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.getFilter:()Lorg/apache/logging/log4j/core/Filter;
            aload 4 /* manager */
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.fileName:Ljava/lang/String;
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.isIgnoreExceptions:()Z
        14: .line 102
            iload 1 /* bufferedIo */
            ifeq 15
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.isImmediateFlush:()Z
            ifne 15
            iconst_0
            goto 16
      StackMap locals: org.apache.logging.log4j.core.appender.FileAppender$Builder int int org.apache.logging.log4j.core.Layout org.apache.logging.log4j.core.appender.FileManager
      StackMap stack: new 13 new 13 java.lang.String org.apache.logging.log4j.core.Layout org.apache.logging.log4j.core.Filter org.apache.logging.log4j.core.appender.FileManager java.lang.String int
        15: iconst_1
      StackMap locals: org.apache.logging.log4j.core.appender.FileAppender$Builder int int org.apache.logging.log4j.core.Layout org.apache.logging.log4j.core.appender.FileManager
      StackMap stack: new 13 new 13 java.lang.String org.apache.logging.log4j.core.Layout org.apache.logging.log4j.core.Filter org.apache.logging.log4j.core.appender.FileManager java.lang.String int int
        16: aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.advertise:Z
            ifeq 17
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.getConfiguration:()Lorg/apache/logging/log4j/core/config/Configuration;
            invokeinterface org.apache.logging.log4j.core.config.Configuration.getAdvertiser:()Lorg/apache/logging/log4j/core/net/Advertiser;
            goto 18
      StackMap locals: org.apache.logging.log4j.core.appender.FileAppender$Builder int int org.apache.logging.log4j.core.Layout org.apache.logging.log4j.core.appender.FileManager
      StackMap stack: new 13 new 13 java.lang.String org.apache.logging.log4j.core.Layout org.apache.logging.log4j.core.Filter org.apache.logging.log4j.core.appender.FileManager java.lang.String int int
        17: aconst_null
        18: .line 101
      StackMap locals: org.apache.logging.log4j.core.appender.FileAppender$Builder int int org.apache.logging.log4j.core.Layout org.apache.logging.log4j.core.appender.FileManager
      StackMap stack: new 13 new 13 java.lang.String org.apache.logging.log4j.core.Layout org.apache.logging.log4j.core.Filter org.apache.logging.log4j.core.appender.FileManager java.lang.String int int org.apache.logging.log4j.core.net.Advertiser
            invokespecial org.apache.logging.log4j.core.appender.FileAppender.<init>:(Ljava/lang/String;Lorg/apache/logging/log4j/core/Layout;Lorg/apache/logging/log4j/core/Filter;Lorg/apache/logging/log4j/core/appender/FileManager;Ljava/lang/String;ZZLorg/apache/logging/log4j/core/net/Advertiser;)V
            areturn
        end local 4 // org.apache.logging.log4j.core.appender.FileManager manager
        end local 3 // org.apache.logging.log4j.core.Layout layout
        end local 2 // int bufferSize
        end local 1 // boolean bufferedIo
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   19     0        this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;
            1   19     1  bufferedIo  Z
            2   19     2  bufferSize  I
            8   19     3      layout  Lorg/apache/logging/log4j/core/Layout<+Ljava/io/Serializable;>;
           11   19     4     manager  Lorg/apache/logging/log4j/core/appender/FileManager;

  public java.lang.String getAdvertiseUri();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
         0: .line 106
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.advertiseUri:Ljava/lang/String;
            areturn
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;

  public java.lang.String getFileName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
         0: .line 110
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.fileName:Ljava/lang/String;
            areturn
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;

  public boolean isAdvertise();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
         0: .line 114
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.advertise:Z
            ireturn
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;

  public boolean isAppend();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
         0: .line 118
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.append:Z
            ireturn
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;

  public boolean isCreateOnDemand();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
         0: .line 122
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.createOnDemand:Z
            ireturn
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;

  public boolean isLocking();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
         0: .line 126
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.locking:Z
            ireturn
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;

  public java.lang.String getFilePermissions();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
         0: .line 130
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.filePermissions:Ljava/lang/String;
            areturn
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;

  public java.lang.String getFileOwner();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
         0: .line 134
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.fileOwner:Ljava/lang/String;
            areturn
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;

  public java.lang.String getFileGroup();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
         0: .line 138
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.FileAppender$Builder.fileGroup:Ljava/lang/String;
            areturn
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;

  public B withAdvertise();
    descriptor: (Z)Lorg/apache/logging/log4j/core/appender/FileAppender$Builder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
        start local 1 // boolean advertise
         0: .line 142
            aload 0 /* this */
            iload 1 /* advertise */
            putfield org.apache.logging.log4j.core.appender.FileAppender$Builder.advertise:Z
         1: .line 143
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.asBuilder:()Lorg/apache/logging/log4j/core/filter/AbstractFilterable$Builder;
            checkcast org.apache.logging.log4j.core.appender.FileAppender$Builder
            areturn
        end local 1 // boolean advertise
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;
            0    2     1  advertise  Z
    Signature: (Z)TB;
    MethodParameters:
           Name  Flags
      advertise  final

  public B withAdvertiseUri(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/apache/logging/log4j/core/appender/FileAppender$Builder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
        start local 1 // java.lang.String advertiseUri
         0: .line 147
            aload 0 /* this */
            aload 1 /* advertiseUri */
            putfield org.apache.logging.log4j.core.appender.FileAppender$Builder.advertiseUri:Ljava/lang/String;
         1: .line 148
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.asBuilder:()Lorg/apache/logging/log4j/core/filter/AbstractFilterable$Builder;
            checkcast org.apache.logging.log4j.core.appender.FileAppender$Builder
            areturn
        end local 1 // java.lang.String advertiseUri
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;
            0    2     1  advertiseUri  Ljava/lang/String;
    Signature: (Ljava/lang/String;)TB;
    MethodParameters:
              Name  Flags
      advertiseUri  final

  public B withAppend();
    descriptor: (Z)Lorg/apache/logging/log4j/core/appender/FileAppender$Builder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
        start local 1 // boolean append
         0: .line 152
            aload 0 /* this */
            iload 1 /* append */
            putfield org.apache.logging.log4j.core.appender.FileAppender$Builder.append:Z
         1: .line 153
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.asBuilder:()Lorg/apache/logging/log4j/core/filter/AbstractFilterable$Builder;
            checkcast org.apache.logging.log4j.core.appender.FileAppender$Builder
            areturn
        end local 1 // boolean append
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;
            0    2     1  append  Z
    Signature: (Z)TB;
    MethodParameters:
        Name  Flags
      append  final

  public B withFileName(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/apache/logging/log4j/core/appender/FileAppender$Builder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
        start local 1 // java.lang.String fileName
         0: .line 157
            aload 0 /* this */
            aload 1 /* fileName */
            putfield org.apache.logging.log4j.core.appender.FileAppender$Builder.fileName:Ljava/lang/String;
         1: .line 158
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.asBuilder:()Lorg/apache/logging/log4j/core/filter/AbstractFilterable$Builder;
            checkcast org.apache.logging.log4j.core.appender.FileAppender$Builder
            areturn
        end local 1 // java.lang.String fileName
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;
            0    2     1  fileName  Ljava/lang/String;
    Signature: (Ljava/lang/String;)TB;
    MethodParameters:
          Name  Flags
      fileName  final

  public B withCreateOnDemand();
    descriptor: (Z)Lorg/apache/logging/log4j/core/appender/FileAppender$Builder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
        start local 1 // boolean createOnDemand
         0: .line 162
            aload 0 /* this */
            iload 1 /* createOnDemand */
            putfield org.apache.logging.log4j.core.appender.FileAppender$Builder.createOnDemand:Z
         1: .line 163
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.asBuilder:()Lorg/apache/logging/log4j/core/filter/AbstractFilterable$Builder;
            checkcast org.apache.logging.log4j.core.appender.FileAppender$Builder
            areturn
        end local 1 // boolean createOnDemand
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    2     0            this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;
            0    2     1  createOnDemand  Z
    Signature: (Z)TB;
    MethodParameters:
                Name  Flags
      createOnDemand  final

  public B withLocking();
    descriptor: (Z)Lorg/apache/logging/log4j/core/appender/FileAppender$Builder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
        start local 1 // boolean locking
         0: .line 167
            aload 0 /* this */
            iload 1 /* locking */
            putfield org.apache.logging.log4j.core.appender.FileAppender$Builder.locking:Z
         1: .line 168
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.asBuilder:()Lorg/apache/logging/log4j/core/filter/AbstractFilterable$Builder;
            checkcast org.apache.logging.log4j.core.appender.FileAppender$Builder
            areturn
        end local 1 // boolean locking
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    2     0     this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;
            0    2     1  locking  Z
    Signature: (Z)TB;
    MethodParameters:
         Name  Flags
      locking  final

  public B withFilePermissions(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/apache/logging/log4j/core/appender/FileAppender$Builder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
        start local 1 // java.lang.String filePermissions
         0: .line 172
            aload 0 /* this */
            aload 1 /* filePermissions */
            putfield org.apache.logging.log4j.core.appender.FileAppender$Builder.filePermissions:Ljava/lang/String;
         1: .line 173
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.asBuilder:()Lorg/apache/logging/log4j/core/filter/AbstractFilterable$Builder;
            checkcast org.apache.logging.log4j.core.appender.FileAppender$Builder
            areturn
        end local 1 // java.lang.String filePermissions
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    2     0             this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;
            0    2     1  filePermissions  Ljava/lang/String;
    Signature: (Ljava/lang/String;)TB;
    MethodParameters:
                 Name  Flags
      filePermissions  final

  public B withFileOwner(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/apache/logging/log4j/core/appender/FileAppender$Builder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
        start local 1 // java.lang.String fileOwner
         0: .line 177
            aload 0 /* this */
            aload 1 /* fileOwner */
            putfield org.apache.logging.log4j.core.appender.FileAppender$Builder.fileOwner:Ljava/lang/String;
         1: .line 178
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.asBuilder:()Lorg/apache/logging/log4j/core/filter/AbstractFilterable$Builder;
            checkcast org.apache.logging.log4j.core.appender.FileAppender$Builder
            areturn
        end local 1 // java.lang.String fileOwner
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;
            0    2     1  fileOwner  Ljava/lang/String;
    Signature: (Ljava/lang/String;)TB;
    MethodParameters:
           Name  Flags
      fileOwner  final

  public B withFileGroup(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/apache/logging/log4j/core/appender/FileAppender$Builder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
        start local 1 // java.lang.String fileGroup
         0: .line 182
            aload 0 /* this */
            aload 1 /* fileGroup */
            putfield org.apache.logging.log4j.core.appender.FileAppender$Builder.fileGroup:Ljava/lang/String;
         1: .line 183
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.asBuilder:()Lorg/apache/logging/log4j/core/filter/AbstractFilterable$Builder;
            checkcast org.apache.logging.log4j.core.appender.FileAppender$Builder
            areturn
        end local 1 // java.lang.String fileGroup
        end local 0 // org.apache.logging.log4j.core.appender.FileAppender$Builder this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;
            0    2     1  fileGroup  Ljava/lang/String;
    Signature: (Ljava/lang/String;)TB;
    MethodParameters:
           Name  Flags
      fileGroup  final

  public java.lang.Object build();
    descriptor: ()Ljava/lang/Object;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokevirtual org.apache.logging.log4j.core.appender.FileAppender$Builder.build:()Lorg/apache/logging/log4j/core/appender/FileAppender;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: <B:Lorg/apache/logging/log4j/core/appender/FileAppender$Builder<TB;>;>Lorg/apache/logging/log4j/core/appender/AbstractOutputStreamAppender$Builder<TB;>;Lorg/apache/logging/log4j/core/util/Builder<Lorg/apache/logging/log4j/core/appender/FileAppender;>;
SourceFile: "FileAppender.java"
NestHost: org.apache.logging.log4j.core.appender.FileAppender
InnerClasses:
  public abstract Builder = org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender$Builder of org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender
  public Builder = org.apache.logging.log4j.core.appender.FileAppender$Builder of org.apache.logging.log4j.core.appender.FileAppender
  public abstract Builder = org.apache.logging.log4j.core.filter.AbstractFilterable$Builder of org.apache.logging.log4j.core.filter.AbstractFilterable