}
private static void appendFunctionSignature(final StringBuilder builder, final DartComponent function, final String returnType) {
builder.append("<b>").append(function.getName()).append("</b>");
builder.append('(');
builder.append(StringUtil.escapeXml(DartPresentableUtil.getPresentableParameterList(function, new DartGenericSpecialization(), true)));
builder.append(')');
builder.append(' ');
builder.append(DartPresentableUtil.RIGHT_ARROW);
builder.append(' ');
builder.append(returnType);