builder.addln("%s = $1;", fieldName);
if (cache) builder.addln("%s = %s.isRendering();", cachedFieldName, resourcesFieldName);
builder.end();
String methodName = transformation.newMemberName("update_parameter", parameterName);
TransformMethodSignature signature = new TransformMethodSignature(Modifier.PRIVATE, "void", methodName,
new String[] {fieldType}, null);