diff --git a/src/class_diagram/model/class_element.h b/src/class_diagram/model/class_element.h
index ec7c50eb..d2aea1b0 100644
--- a/src/class_diagram/model/class_element.h
+++ b/src/class_diagram/model/class_element.h
@@ -49,7 +49,7 @@ public:
      *
      * @return Elements name.
      */
-    std::string name() const;
+    std::string name() const override;
 
     /**
      * @brief Set elements name.
diff --git a/src/class_diagram/model/diagram.cc b/src/class_diagram/model/diagram.cc
index 64c53dc6..ad7c607c 100644
--- a/src/class_diagram/model/diagram.cc
+++ b/src/class_diagram/model/diagram.cc
@@ -159,7 +159,7 @@ bool diagram::has_element(
 std::string diagram::to_alias(
     clanguml::common::model::diagram_element::id_t id) const
 {
-    LOG_DBG("Looking for alias for {}", id);
+    LOG_TRACE("Looking for alias for {}", id);
 
     for (const auto &c : classes()) {
         if (c.get().id() == id) {
diff --git a/src/class_diagram/model/method_parameter.h b/src/class_diagram/model/method_parameter.h
index f6db2529..547f1b6d 100644
--- a/src/class_diagram/model/method_parameter.h
+++ b/src/class_diagram/model/method_parameter.h
@@ -70,7 +70,7 @@ public:
      *
      * @return Parameters name.
      */
-    std::string name() const;
+    std::string name() const override;
 
     /**
      * @brief Set parameters default value.
diff --git a/src/common/model/decorated_element.cc b/src/common/model/decorated_element.cc
index 39951b90..dcdcafc4 100644
--- a/src/common/model/decorated_element.cc
+++ b/src/common/model/decorated_element.cc
@@ -20,6 +20,11 @@
 
 namespace clanguml::common::model {
 
+std::string to_string(const decorated_element &e)
+{
+    return e.full_name(false);
+}
+
 bool decorated_element::skip() const
 {
     return std::any_of(
diff --git a/src/common/model/decorated_element.h b/src/common/model/decorated_element.h
index 57409872..16d85ecc 100644
--- a/src/common/model/decorated_element.h
+++ b/src/common/model/decorated_element.h
@@ -49,6 +49,18 @@ class decorated_element {
 public:
     virtual ~decorated_element() = default;
 
+    virtual std::string name() const { return ""; }
+
+    /**
+     * @brief Return the elements fully qualified name.
+     *
+     * This method should be implemented in each subclass, and ensure that
+     * for instance it includes fully qualified namespace, template params, etc.
+     *
+     * @return Full elements name.
+     */
+    virtual std::string full_name(bool /*relative*/) const { return name(); }
+
     /**
      * Whether this element should be skipped from the diagram.
      *
@@ -139,4 +151,6 @@ private:
     std::optional<comment_t> comment_;
 };
 
+std::string to_string(const decorated_element &e);
+
 } // namespace clanguml::common::model
diff --git a/src/common/model/diagram.cc b/src/common/model/diagram.cc
index 22f8e290..0aed9c23 100644
--- a/src/common/model/diagram.cc
+++ b/src/common/model/diagram.cc
@@ -67,7 +67,7 @@ bool diagram::should_include(const element &e) const
         return true;
 
     return filter_->should_include(e) &&
-        filter_->should_include(dynamic_cast<const source_location &>(e));
+        filter_->should_include(dynamic_cast<const diagram_element &>(e));
 }
 
 bool diagram::should_include(const namespace_ &ns) const
diff --git a/src/common/model/diagram_element.h b/src/common/model/diagram_element.h
index 179b6f0d..312dbe93 100644
--- a/src/common/model/diagram_element.h
+++ b/src/common/model/diagram_element.h
@@ -99,7 +99,7 @@ public:
      *
      * @return Diagram's name.
      */
-    std::string name() const { return name_; }
+    std::string name() const override { return name_; }
 
     /**
      * Return the type name of the diagram.
@@ -108,16 +108,6 @@ public:
      */
     virtual std::string type_name() const { return "__undefined__"; };
 
-    /**
-     * @brief Return the elements fully qualified name.
-     *
-     * This method should be implemented in each subclass, and ensure that
-     * for instance it includes fully qualified namespace, template params, etc.
-     *
-     * @return Full elements name.
-     */
-    virtual std::string full_name(bool /*relative*/) const { return name(); }
-
     /**
      * Return all relationships outgoing from this element.
      *
diff --git a/src/common/model/diagram_filter.cc b/src/common/model/diagram_filter.cc
index 49b3ac0f..6ce43a92 100644
--- a/src/common/model/diagram_filter.cc
+++ b/src/common/model/diagram_filter.cc
@@ -29,6 +29,15 @@
 
 namespace clanguml::common::model {
 
+std::string to_string(const filter_t t) {
+    switch(t) {
+    case filter_t::kInclusive:
+        return "inclusive";
+    case filter_t::kExclusive:
+        return "exclusive";
+    }
+}
+
 namespace detail {
 
 template <>
@@ -124,7 +133,7 @@ tvl::value_t filter_visitor::match(
 }
 
 tvl::value_t filter_visitor::match(
-    const diagram & /*d*/, const common::model::source_location & /*f*/) const
+    const diagram & /*d*/, const common::model::diagram_element & /*f*/) const
 {
     return {};
 }
@@ -170,7 +179,8 @@ tvl::value_t anyof_filter::match(
     const diagram &d, const common::model::element &e) const
 {
     return tvl::any_of(filters_.begin(), filters_.end(),
-        [&d, &e](const auto &f) { return f->match(d, e); });
+        [&d, &e](const auto &f) {
+            return f->match(d, e); });
 }
 
 tvl::value_t anyof_filter::match(
@@ -248,6 +258,7 @@ tvl::value_t namespace_filter::match(const diagram &d, const element &e) const
                     e.full_name(false);
             });
 
+
         return result;
     }
 
@@ -321,6 +332,8 @@ tvl::value_t modules_filter::match(
             return std::get<common::regex>(modit.value()) %= e.module().value();
         });
 
+    log_match(e, result);
+
     return result;
 }
 
@@ -337,11 +350,14 @@ tvl::value_t element_filter::match(const diagram &d, const element &e) const
     if (d.type() == diagram_t::kClass && e.type_name() == "package")
         return std::nullopt;
 
-    return tvl::any_of(
+    auto result = tvl::any_of(
         elements_.begin(), elements_.end(), [&e](const auto &el) {
             return ((el == e.full_name(false)) ||
                 (el == fmt::format("::{}", e.full_name(false))));
         });
+
+    log_match(e, result);
+    return result;
 }
 
 element_type_filter::element_type_filter(
@@ -370,7 +386,8 @@ method_type_filter::method_type_filter(
 tvl::value_t method_type_filter::match(
     const diagram & /*d*/, const class_diagram::model::class_method &m) const
 {
-    return tvl::any_of(
+
+    const auto result = tvl::any_of(
         method_types_.begin(), method_types_.end(), [&m](auto mt) {
             switch (mt) {
             case config::method_type::constructor:
@@ -391,6 +408,9 @@ tvl::value_t method_type_filter::match(
 
             return false;
         });
+
+    log_match(m, result);
+    return result;
 }
 
 callee_filter::callee_filter(
@@ -451,6 +471,7 @@ tvl::value_t callee_filter::match(
             return false;
         });
 
+    log_match(p, res);
     return res;
 }
 
@@ -496,8 +517,10 @@ tvl::value_t subclass_filter::match(const diagram &d, const element &e) const
     for (const auto &root : roots_) {
         for (const auto &parent : parents) {
             auto full_name = parent.get().full_name(false);
-            if (root == full_name)
+            if (root == full_name) {
+                log_match(e, true);
                 return true;
+            }
         }
     }
 
@@ -589,13 +612,16 @@ tvl::value_t module_access_filter::match(
     if (access_.empty())
         return {};
 
-    return tvl::any_of(
+    auto result = tvl::any_of(
         access_.begin(), access_.end(), [&e](const auto &access) {
             if (access == module_access_t::kPublic)
                 return !e.module_private();
-            else
-                return e.module_private();
+
+            return e.module_private();
         });
+
+    log_match(e, result);
+    return result;
 }
 
 context_filter::context_filter(
@@ -756,8 +782,10 @@ tvl::value_t context_filter::match(const diagram &d, const element &e) const
         return {};
 
     for (const auto &ec : effective_contexts_) {
-        if (ec.count(e.id()) > 0)
+        if (ec.count(e.id()) > 0) {
+            log_match(e, true);
             return true;
+        }
     }
 
     return false;
@@ -827,6 +855,8 @@ tvl::value_t paths_filter::match(
         if (pp.root_name().string() == path.root_name().string() &&
             util::starts_with(pp.relative_path(), path.relative_path())) {
 
+            log_match(p, true);
+
             return true;
         }
     }
@@ -835,7 +865,7 @@ tvl::value_t paths_filter::match(
 }
 
 tvl::value_t paths_filter::match(
-    const diagram & /*d*/, const common::model::source_location &p) const
+    const diagram & /*d*/, const common::model::diagram_element &p) const
 {
     if (paths_.empty()) {
         return {};
@@ -853,6 +883,7 @@ tvl::value_t paths_filter::match(
         if (sl_path.root_name().string() == path.root_name().string() &&
             util::starts_with(sl_path.relative_path(), path.relative_path())) {
 
+            log_match(p, true);
             return true;
         }
     }
@@ -874,6 +905,7 @@ tvl::value_t class_method_filter::match(
     tvl::value_t res = tvl::or_(
         access_filter_->match(d, m.access()), method_type_filter_->match(d, m));
 
+    log_match(m, res);
     return res;
 }
 
@@ -887,7 +919,9 @@ class_member_filter::class_member_filter(
 tvl::value_t class_member_filter::match(
     const diagram &d, const class_diagram::model::class_member &m) const
 {
-    return access_filter_->match(d, m.access());
+    auto res = access_filter_->match(d, m.access());
+    log_match(m, res);
+    return res;
 }
 
 diagram_filter::diagram_filter(
@@ -996,18 +1030,18 @@ void diagram_filter::init_filters(const config::diagram &c)
 
             element_filters.emplace_back(
                 std::make_unique<specializations_filter_t>(filter_t::kInclusive,
-                    relationship_t::kInstantiation,
-                    c.include().specializations));
+                    relationship_t::kInstantiation, c.include().specializations,
+                    "specializations"));
 
             element_filters.emplace_back(
                 std::make_unique<class_dependants_filter_t>(
                     filter_t::kInclusive, relationship_t::kDependency,
-                    c.include().dependants));
+                    c.include().dependants, "dependants"));
 
             element_filters.emplace_back(
                 std::make_unique<class_dependencies_filter_t>(
                     filter_t::kInclusive, relationship_t::kDependency,
-                    c.include().dependencies, true));
+                    c.include().dependencies, "dependencies", true));
         }
         else if (c.type() == diagram_t::kSequence) {
             element_filters.emplace_back(std::make_unique<callee_filter>(
@@ -1017,12 +1051,12 @@ void diagram_filter::init_filters(const config::diagram &c)
             element_filters.emplace_back(
                 std::make_unique<package_dependants_filter_t>(
                     filter_t::kInclusive, relationship_t::kDependency,
-                    c.include().dependants));
+                    c.include().dependants, "dependants"));
 
             element_filters.emplace_back(
                 std::make_unique<package_dependencies_filter_t>(
                     filter_t::kInclusive, relationship_t::kDependency,
-                    c.include().dependencies, true));
+                    c.include().dependencies, "dependencies", true));
         }
         else if (c.type() == diagram_t::kInclude) {
             std::vector<std::string> dependants;
@@ -1047,12 +1081,12 @@ void diagram_filter::init_filters(const config::diagram &c)
             element_filters.emplace_back(
                 std::make_unique<source_file_dependency_filter_t>(
                     filter_t::kInclusive, relationship_t::kAssociation,
-                    dependants));
+                    dependants, "dependants"));
 
             element_filters.emplace_back(
                 std::make_unique<source_file_dependency_filter_t>(
                     filter_t::kInclusive, relationship_t::kAssociation,
-                    dependencies, true));
+                    dependencies, "dependencies", true));
         }
 
         element_filters.emplace_back(std::make_unique<context_filter>(
@@ -1106,25 +1140,21 @@ void diagram_filter::init_filters(const config::diagram &c)
         add_exclusive_filter(std::make_unique<parents_filter>(
             filter_t::kExclusive, c.exclude().parents));
 
-        add_exclusive_filter(
-            std::make_unique<specializations_filter_t>(filter_t::kExclusive,
-                relationship_t::kInstantiation, c.exclude().specializations));
+        add_exclusive_filter(std::make_unique<specializations_filter_t>(
+            filter_t::kExclusive, relationship_t::kInstantiation,
+            c.exclude().specializations, "specializations"));
 
-        add_exclusive_filter(
-            std::make_unique<class_dependants_filter_t>(filter_t::kExclusive,
-                relationship_t::kDependency, c.exclude().dependants));
+        add_exclusive_filter(std::make_unique<class_dependants_filter_t>(
+            filter_t::kExclusive, relationship_t::kDependency,
+            c.exclude().dependants, "dependants"));
 
-        add_exclusive_filter(
-            std::make_unique<package_dependants_filter_t>(filter_t::kExclusive,
-                relationship_t::kDependency, c.exclude().dependants));
-
-        add_exclusive_filter(
-            std::make_unique<class_dependencies_filter_t>(filter_t::kExclusive,
-                relationship_t::kDependency, c.exclude().dependencies, true));
+        add_exclusive_filter(std::make_unique<class_dependencies_filter_t>(
+            filter_t::kExclusive, relationship_t::kDependency,
+            c.exclude().dependencies, "dependencies", true));
 
         add_exclusive_filter(std::make_unique<package_dependencies_filter_t>(
             filter_t::kExclusive, relationship_t::kDependency,
-            c.exclude().dependencies, true));
+            c.exclude().dependencies, "dependencies", true));
 
         if (c.type() == diagram_t::kSequence) {
             add_exclusive_filter(std::make_unique<callee_filter>(
@@ -1161,12 +1191,13 @@ void diagram_filter::init_filters(const config::diagram &c)
             add_exclusive_filter(std::make_unique<
                 edge_traversal_filter<include_diagram::model::diagram,
                     common::model::source_file>>(filter_t::kExclusive,
-                relationship_t::kAssociation, dependencies, true));
+                relationship_t::kAssociation, dependencies, "dependencies",
+                true));
 
             add_exclusive_filter(std::make_unique<
                 edge_traversal_filter<include_diagram::model::diagram,
                     common::model::source_file>>(filter_t::kExclusive,
-                relationship_t::kAssociation, dependants));
+                relationship_t::kAssociation, dependants, "dependants"));
         }
 
         add_exclusive_filter(std::make_unique<context_filter>(
diff --git a/src/common/model/diagram_filter.h b/src/common/model/diagram_filter.h
index 416411c6..ceeb7e24 100644
--- a/src/common/model/diagram_filter.h
+++ b/src/common/model/diagram_filter.h
@@ -47,6 +47,8 @@ enum class filter_t {
     kExclusive  /*!< Filter is exclusve */
 };
 
+std::string to_string(filter_t t);
+
 namespace detail {
 template <typename ElementT, typename DiagramT>
 const clanguml::common::reference_vector<ElementT> &view(const DiagramT &d);
@@ -81,6 +83,8 @@ public:
 
     virtual ~filter_visitor() = default;
 
+    virtual std::string_view name() const = 0;
+
     virtual tvl::value_t match(
         const diagram &d, const common::model::element &e) const;
 
@@ -97,7 +101,7 @@ public:
         const diagram &d, const common::model::source_file &f) const;
 
     virtual tvl::value_t match(
-        const diagram &d, const common::model::source_location &f) const;
+        const diagram &d, const common::model::diagram_element &f) const;
 
     virtual tvl::value_t match(
         const diagram &d, const class_diagram::model::class_method &m) const;
@@ -113,6 +117,15 @@ public:
 
     filter_t type() const;
 
+protected:
+    template<typename T> void log_match(const T& e, tvl::value_t result) const
+    {
+        if (tvl::is_true(result)) {
+            LOG_DBG("Filter '{}:{}' matched '{}'", this->name(), to_string(this->type()),
+                to_string(e));
+        }
+    }
+
 private:
     filter_t type_;
 };
@@ -123,6 +136,11 @@ struct anyof_filter : public filter_visitor {
 
     ~anyof_filter() override = default;
 
+    std::string_view name() const override
+    {
+        return "anyof()";
+    }
+
     tvl::value_t match(
         const diagram &d, const common::model::element &e) const override;
 
@@ -146,6 +164,8 @@ struct namespace_filter : public filter_visitor {
 
     ~namespace_filter() override = default;
 
+    std::string_view name() const override { return "namespace"; }
+
     tvl::value_t match(const diagram &d, const namespace_ &ns) const override;
 
     tvl::value_t match(const diagram &d, const element &e) const override;
@@ -163,6 +183,8 @@ struct modules_filter : public filter_visitor {
 
     ~modules_filter() override = default;
 
+    std::string_view name() const override { return "modules"; }
+
     tvl::value_t match(const diagram &d, const element &e) const override;
 
 private:
@@ -178,6 +200,8 @@ struct element_filter : public filter_visitor {
 
     ~element_filter() override = default;
 
+    std::string_view name() const override { return "element"; }
+
     tvl::value_t match(const diagram &d, const element &e) const override;
 
 private:
@@ -192,6 +216,8 @@ struct element_type_filter : public filter_visitor {
 
     ~element_type_filter() override = default;
 
+    std::string_view name() const override { return "element_type"; }
+
     tvl::value_t match(const diagram &d, const element &e) const override;
 
 private:
@@ -207,6 +233,8 @@ struct method_type_filter : public filter_visitor {
 
     ~method_type_filter() override = default;
 
+    std::string_view name() const override { return "method_type"; }
+
     tvl::value_t match(const diagram &d,
         const class_diagram::model::class_method &e) const override;
 
@@ -222,6 +250,8 @@ struct callee_filter : public filter_visitor {
 
     ~callee_filter() override = default;
 
+    std::string_view name() const override { return "callee"; }
+
     tvl::value_t match(const diagram &d,
         const sequence_diagram::model::participant &p) const override;
 
@@ -238,6 +268,8 @@ struct subclass_filter : public filter_visitor {
 
     ~subclass_filter() override = default;
 
+    std::string_view name() const override { return "subclass"; }
+
     tvl::value_t match(const diagram &d, const element &e) const override;
 
 private:
@@ -253,6 +285,8 @@ struct parents_filter : public filter_visitor {
 
     ~parents_filter() override = default;
 
+    std::string_view name() const override { return "parents"; }
+
     tvl::value_t match(const diagram &d, const element &e) const override;
 
 private:
@@ -278,16 +312,20 @@ template <typename DiagramT, typename ElementT,
     typename MatchOverrideT = common::model::element>
 struct edge_traversal_filter : public filter_visitor {
     edge_traversal_filter(filter_t type, relationship_t relationship,
-        std::vector<ConfigEntryT> roots, bool forward = false)
+        std::vector<ConfigEntryT> roots, const std::string &name,
+        bool forward = false)
         : filter_visitor{type}
         , roots_{std::move(roots)}
         , relationship_{relationship}
         , forward_{forward}
+        , name_{name}
     {
     }
 
     ~edge_traversal_filter() override = default;
 
+    std::string_view name() const override { return name_; }
+
     tvl::value_t match(const diagram &d, const MatchOverrideT &e) const override
     {
         // This filter should only be run only on diagram models after the
@@ -425,6 +463,7 @@ private:
     mutable bool initialized_{false};
     mutable clanguml::common::reference_set<ElementT> matching_elements_;
     bool forward_;
+    std::string name_;
 };
 
 /**
@@ -436,6 +475,8 @@ struct relationship_filter : public filter_visitor {
 
     ~relationship_filter() override = default;
 
+    std::string_view name() const override { return "relationship"; }
+
     tvl::value_t match(
         const diagram &d, const relationship_t &r) const override;
 
@@ -451,6 +492,8 @@ struct access_filter : public filter_visitor {
 
     ~access_filter() override = default;
 
+    std::string_view name() const override { return "access"; }
+
     tvl::value_t match(const diagram &d, const access_t &a) const override;
 
 private:
@@ -465,6 +508,8 @@ struct module_access_filter : public filter_visitor {
 
     ~module_access_filter() override = default;
 
+    std::string_view name() const override { return "module_access"; }
+
     tvl::value_t match(const diagram &d, const element &a) const override;
 
 private:
@@ -480,6 +525,8 @@ struct context_filter : public filter_visitor {
 
     ~context_filter() override = default;
 
+    std::string_view name() const override { return "context"; }
+
     tvl::value_t match(const diagram &d, const element &r) const override;
 
 private:
@@ -553,11 +600,13 @@ struct paths_filter : public filter_visitor {
 
     ~paths_filter() override = default;
 
+    std::string_view name() const override { return "paths"; }
+
     tvl::value_t match(
         const diagram &d, const common::model::source_file &r) const override;
 
     tvl::value_t match(const diagram &d,
-        const common::model::source_location &sl) const override;
+        const common::model::diagram_element &sl) const override;
 
 private:
     std::vector<std::filesystem::path> paths_;
@@ -573,6 +622,8 @@ struct class_method_filter : public filter_visitor {
 
     ~class_method_filter() override = default;
 
+    std::string_view name() const override { return "class_method"; }
+
     tvl::value_t match(const diagram &d,
         const class_diagram::model::class_method &m) const override;
 
@@ -589,6 +640,8 @@ struct class_member_filter : public filter_visitor {
 
     ~class_member_filter() override = default;
 
+    std::string_view name() const override { return "class_member"; }
+
     tvl::value_t match(const diagram &d,
         const class_diagram::model::class_member &m) const override;
 
@@ -641,14 +694,31 @@ public:
      */
     template <typename T> bool should_include(const T &e) const
     {
-        auto exc = tvl::any_of(exclusive_.begin(), exclusive_.end(),
-            [this, &e](const auto &ex) { return ex->match(diagram_, e); });
+        auto exc = tvl::any_of(
+            exclusive_.begin(), exclusive_.end(), [this, &e](const auto &ex) {
+                const auto res = ex->match(diagram_, e);
+
+                if (tvl::is_true(res)) {
+                    LOG_DBG("'{}' rejected by exclusive filter '{}'",
+                        to_string(e), ex->name());
+                }
+
+                return res;
+            });
 
         if (tvl::is_true(exc))
             return false;
 
-        auto inc = tvl::all_of(inclusive_.begin(), inclusive_.end(),
-            [this, &e](const auto &in) { return in->match(diagram_, e); });
+        auto inc = tvl::all_of(
+            inclusive_.begin(), inclusive_.end(), [this, &e](const auto &in) {
+                const auto res = in->match(diagram_, e);
+
+                if (tvl::is_false(res))
+                    LOG_DBG("'{}' rejected by inclusive filter '{}'",
+                        to_string(e), in->name());
+
+                return res;
+            });
 
         return static_cast<bool>(tvl::is_undefined(inc) || tvl::is_true(inc));
     }
diff --git a/src/common/model/element.h b/src/common/model/element.h
index 2d94d393..38849d13 100644
--- a/src/common/model/element.h
+++ b/src/common/model/element.h
@@ -39,8 +39,6 @@ class element : public diagram_element {
 public:
     element(namespace_ using_namespace, path_type pt = path_type::kNamespace);
 
-    element(path_type pt);
-
     ~element() override = default;
 
     /**
diff --git a/src/common/model/path.cc b/src/common/model/path.cc
new file mode 100644
index 00000000..9a16e033
--- /dev/null
+++ b/src/common/model/path.cc
@@ -0,0 +1,25 @@
+/**
+ * @file src/common/model/path.cc
+ *
+ * Copyright (c) 2021-2023 Bartek Kryza <bkryza@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "path.h"
+
+namespace clanguml::common::model {
+
+std::string to_string(const path &p) { return p.to_string(); }
+
+} // namespace clanguml::common::model
\ No newline at end of file
diff --git a/src/common/model/path.h b/src/common/model/path.h
index 3cb030eb..491f2f81 100644
--- a/src/common/model/path.h
+++ b/src/common/model/path.h
@@ -166,6 +166,8 @@ public:
         return fmt::format("{}", fmt::join(path_, std::string{separator()}));
     }
 
+    std::string full_name(bool /*relative*/) const { return to_string(); }
+
     /**
      * Whether the path is empty.
      *
@@ -393,4 +395,6 @@ private:
     container_type path_;
 };
 
+std::string to_string(const path&p);
+
 } // namespace clanguml::common::model
\ No newline at end of file
diff --git a/src/common/model/source_location.cc b/src/common/model/source_location.cc
index 89358a08..47009f80 100644
--- a/src/common/model/source_location.cc
+++ b/src/common/model/source_location.cc
@@ -17,3 +17,9 @@
  */
 
 #include "source_location.h"
+
+namespace clanguml::common::model {
+//std::string to_string(const source_location& sl) {
+//    sl.to
+//}
+}
\ No newline at end of file
diff --git a/src/common/model/source_location.h b/src/common/model/source_location.h
index 2dc98af4..faee5107 100644
--- a/src/common/model/source_location.h
+++ b/src/common/model/source_location.h
@@ -17,6 +17,8 @@
  */
 #pragma once
 
+#include <spdlog/fmt/fmt.h>
+
 #include <string>
 #include <utility>
 
@@ -137,4 +139,7 @@ private:
     unsigned int column_{0};
     unsigned int hash_{0};
 };
+
+//std::string to_string(const source_location& sl);
+
 } // namespace clanguml::common::model
\ No newline at end of file
diff --git a/src/include_diagram/model/diagram.cc b/src/include_diagram/model/diagram.cc
index d21a9f56..0cbacf6a 100644
--- a/src/include_diagram/model/diagram.cc
+++ b/src/include_diagram/model/diagram.cc
@@ -91,7 +91,7 @@ void diagram::add_file(std::unique_ptr<common::model::source_file> &&f)
 
 std::string diagram::to_alias(const std::string &full_name) const
 {
-    LOG_DBG("Looking for alias for {}", full_name);
+    LOG_TRACE("Looking for alias for {}", full_name);
 
     auto path = common::model::filesystem_path{full_name};
 
diff --git a/src/package_diagram/model/diagram.cc b/src/package_diagram/model/diagram.cc
index f6e2d45c..22bc7344 100644
--- a/src/package_diagram/model/diagram.cc
+++ b/src/package_diagram/model/diagram.cc
@@ -49,7 +49,7 @@ common::optional_ref<clanguml::common::model::diagram_element> diagram::get(
 std::string diagram::to_alias(
     const clanguml::common::model::diagram_element::id_t id) const
 {
-    LOG_DBG("Looking for alias for {}", id);
+    LOG_TRACE("Looking for alias for {}", id);
 
     auto p = find<package>(id);
     if (p.has_value() && p.value().id() == id)
diff --git a/src/sequence_diagram/model/diagram.cc b/src/sequence_diagram/model/diagram.cc
index 26215680..88b84e06 100644
--- a/src/sequence_diagram/model/diagram.cc
+++ b/src/sequence_diagram/model/diagram.cc
@@ -190,7 +190,7 @@ bool diagram::should_include(
 {
     return filter().should_include(p) &&
         filter().should_include(
-            dynamic_cast<const common::model::source_location &>(p));
+            dynamic_cast<const common::model::diagram_element &>(p));
 }
 
 std::vector<std::string> diagram::list_from_values() const