// FileMeta
if (FieldMeta.class.isAssignableFrom(clazz))
return new FileMetaInjector(paramName);
// TempFile
if (TempFile.class.isAssignableFrom(clazz))
return new TempFileInjector(paramName);
// InputStream
if (InputStream.class.isAssignableFrom(clazz))
return new InputStreamInjector(paramName);
// Reader
if (Reader.class.isAssignableFrom(clazz))