https://tomcat.apache.org/: Tomcat Servlet Engine Core Classes and Standard implementations 
class org.apache.catalina.servlets.DefaultServlet$PrecompressedResource
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.apache.catalina.servlets.DefaultServlet$PrecompressedResource
  super_class: java.lang.Object
{
  public final org.apache.catalina.WebResource resource;
    descriptor: Lorg/apache/catalina/WebResource;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL

  public final org.apache.catalina.servlets.DefaultServlet$CompressionFormat format;
    descriptor: Lorg/apache/catalina/servlets/DefaultServlet$CompressionFormat;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL

  private void <init>(org.apache.catalina.WebResource, org.apache.catalina.servlets.DefaultServlet$CompressionFormat);
    descriptor: (Lorg/apache/catalina/WebResource;Lorg/apache/catalina/servlets/DefaultServlet$CompressionFormat;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.apache.catalina.servlets.DefaultServlet$PrecompressedResource this
        start local 1 // org.apache.catalina.WebResource resource
        start local 2 // org.apache.catalina.servlets.DefaultServlet$CompressionFormat format
         0: .line 2626
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 2627
            aload 0 /* this */
            aload 1 /* resource */
            putfield org.apache.catalina.servlets.DefaultServlet$PrecompressedResource.resource:Lorg/apache/catalina/WebResource;
         2: .line 2628
            aload 0 /* this */
            aload 2 /* format */
            putfield org.apache.catalina.servlets.DefaultServlet$PrecompressedResource.format:Lorg/apache/catalina/servlets/DefaultServlet$CompressionFormat;
         3: .line 2629
            return
        end local 2 // org.apache.catalina.servlets.DefaultServlet$CompressionFormat format
        end local 1 // org.apache.catalina.WebResource resource
        end local 0 // org.apache.catalina.servlets.DefaultServlet$PrecompressedResource this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    4     0      this  Lorg/apache/catalina/servlets/DefaultServlet$PrecompressedResource;
            0    4     1  resource  Lorg/apache/catalina/WebResource;
            0    4     2    format  Lorg/apache/catalina/servlets/DefaultServlet$CompressionFormat;
    MethodParameters:
          Name  Flags
      resource  
      format    
}
SourceFile: "DefaultServlet.java"
NestHost: org.apache.catalina.servlets.DefaultServlet
InnerClasses:
  protected CompressionFormat = org.apache.catalina.servlets.DefaultServlet$CompressionFormat of org.apache.catalina.servlets.DefaultServlet
  private PrecompressedResource = org.apache.catalina.servlets.DefaultServlet$PrecompressedResource of org.apache.catalina.servlets.DefaultServlet