WIP: fix includes

include/caosdb/configuration.h

@@ -21,23 +21,22 @@
 
 #ifndef CAOSDB_CONFIGURATION_H
 #define CAOSDB_CONFIGURATION_H
+
 #include "caosdb/authentication.h"          // for Authenticator, PlainPassw...
 #include "caosdb/certificate_provider.h"    // for CertificateProvider, path
 #include "caosdb/exceptions.h"              // for ConfigurationError
-#include "caosdb/logging.h"              // for CAOSDB_LOG_...
-#include "caosdb/protobuf_helper.h"      // for reset_arena
+#include "caosdb/logging.h"                 // for SinkConfiguration, Loggin...
 #include "caosdb/utility.h"                 // for load_json_file
-// IWYU pragma: no_include "boost/json/fwd.hpp"
-#include <boost/filesystem/operations.hpp> // for exists
-#include <boost/filesystem/path.hpp>       // for path
-#include <boost/json/object.hpp>           // for object
-#include <boost/json/value.hpp>            // for value
-#include <boost/json/value_ref.hpp>        // IWYU pragma: keep
 #include <google/protobuf/arena.h>          // for Arena
+#include <google/protobuf/extension_set.h>  // for Arena
 #include <grpcpp/security/credentials.h>    // for ChannelCredentials
+#include <boost/json/object.hpp>            // for object
+#include <boost/json/value.hpp>             // for value
+#include <boost/json/value_ref.hpp>         // for array, object
+// IWYU pragma: no_include "boost/json/fwd.hpp"
+#include <filesystem>                       // for path, exists
 #include <iosfwd>                           // for ostream
-#include <iostream>
-#include <memory> // for unique_ptr, shared_ptr
+#include <memory>                           // for shared_ptr, unique_ptr
 #include <string>                           // for string
 
 namespace caosdb::configuration {