value = FessFunctions.formatCode("L", "prettyprint", "text/plain", code);
        assertEquals("<pre class=\"prettyprint\"></pre>", value);

        code = "aaa";
        value = FessFunctions.formatCode("L", "prettyprint", "text/plain", code);
        assertEquals("<pre class=\"prettyprint\">aaa</pre>", value);

        code = "aaa\nbbb";
        value = FessFunctions.formatCode("L", "prettyprint", "text/plain", code);

            }
        }
    }

    private fun Fe10AnalysisContext.renderFlexibleType(type: FlexibleType, printer: PrettyPrinter) {
        val lowerBoundText = prettyPrint { renderType(type.lowerBound, this@prettyPrint) }
        val upperBoundText = prettyPrint { renderType(type.upperBound, this@prettyPrint) }
        printer.append(DescriptorRenderer.COMPACT.renderFlexibleType(lowerBoundText, upperBoundText, type.builtIns))
    }

    }

    def format(Iterable<? extends Node> nodes, boolean prettyPrint = false) {
        StringBuilder builder = new StringBuilder()
        nodes.each { node ->
            format(node, builder, 0, prettyPrint, prettyPrint)
        }
        return builder.toString()
    }

    def format(Node node, Appendable target, int depth, boolean prettyPrint, boolean indentSelf) {
        if (node instanceof Element) {

}

internal fun KotlinType.asStringForDebugging(analysisContext: Fe10AnalysisContext): String {
    val renderer = KtFe10DebugTypeRenderer()
    return prettyPrint { renderer.render(analysisContext, this@asStringForDebugging, this@prettyPrint) }

            throw new GradleException("filter isn't ready to transform");
        }

        Document document = Jsoup.parse(CharStreams.toString(in));
        document.outputSettings().indentAmount(2).prettyPrint(true);
        document.prependChild(new DocumentType("html", "", ""));
        document.head().
                append("<meta charset='utf-8'>").

    <function-signature>java.lang.String formatCode(java.lang.String, java.lang.String, java.lang.String, java.lang.String)</function-signature>
    <example>${fe:formatCode("L", "prettyprint", doc.mimetype, doc.content_description)}</example>
  </function>

  <function>
    <description>Mask e-mail address.</description>
    <name>maskEmail</name>

import org.jetbrains.kotlin.analysis.api.descriptors.symbols.descriptorBased.base.toKtAnnotationValue
import org.jetbrains.kotlin.analysis.utils.printer.PrettyPrinter
import org.jetbrains.kotlin.builtins.StandardNames
import org.jetbrains.kotlin.descriptors.annotations.Annotations
import org.jetbrains.kotlin.name.ClassId
import org.jetbrains.kotlin.renderer.render