https://tomcat.apache.org/: Tomcat Servlet Engine Core Classes and Standard implementations 
public abstract class org.apache.catalina.valves.rewrite.RewriteCond$Condition
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.apache.catalina.valves.rewrite.RewriteCond$Condition
  super_class: java.lang.Object
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.catalina.valves.rewrite.RewriteCond$Condition this
         0: .line 25
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.apache.catalina.valves.rewrite.RewriteCond$Condition this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/valves/rewrite/RewriteCond$Condition;

  public abstract boolean evaluate(java.lang.String, org.apache.catalina.valves.rewrite.Resolver);
    descriptor: (Ljava/lang/String;Lorg/apache/catalina/valves/rewrite/Resolver;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
          Name  Flags
      value     
      resolver  
}
SourceFile: "RewriteCond.java"
NestHost: org.apache.catalina.valves.rewrite.RewriteCond
InnerClasses:
  public abstract Condition = org.apache.catalina.valves.rewrite.RewriteCond$Condition of org.apache.catalina.valves.rewrite.RewriteCond