docs: public String  buildRule(final RuleBuildContext context) {
          // If there is no compiled code, return
          if ( context.getMethods().isEmpty() ) {
              return null;
          }
          
          final String lineSeparator = System.getProperty( "line.separator" );
  
          final StringBuilder buffer = new StringBuilder();
          buffer.append("package ").append(context.getPkg().getName()).append(";").append(lineSeparator);
  
          for (String s : context.getPkg().getImports().keySet()) {
              buffer.append("import ").append(s).append(";");
          }
          buffer.append("import ").append(KnowledgeHelper.class.getName()).append(";");
  
          for (String s : context.getPkg().getStaticImports()) {
              buffer.append("import static ").append(s).append(";");
          }
          
          buffer.append( lineSeparator );
  
          final RuleDescr ruleDescr = context.getRuleDescr();
          
          buffer.append("public class ").append(StringUtils.ucFirst(ruleDescr.getClassName())).append(" {").append(lineSeparator);
          buffer.append("    private static final long serialVersionUID = 510l;").append(lineSeparator);
  
          for ( int i = 0, size = context.getMethods().size() - 1; i < size; i++ ) {
              buffer.append(context.getMethods().get(i)).append(lineSeparator);
          }
  
          final String[] lines = buffer.toString().split( lineSeparator, -1 );
  
          ruleDescr.setConsequenceOffset( lines.length );
  
          buffer.append(context.getMethods().get(context.getMethods().size() - 1)).append(lineSeparator);
          buffer.append( "}" );
  
          return buffer.toString();
      }