fix style.

src/search/open_list_factory.cc

@@ -17,16 +17,16 @@ unique_ptr<EdgeOpenList> OpenListFactory::create_open_list() {
 }
 
 void add_open_list_options_to_feature(
-        plugins::Feature &feature) {
+    plugins::Feature &feature) {
     feature.add_option<bool>(
-            "pref_only",
-            "insert only nodes generated by preferred operators",
-            "false");
+        "pref_only",
+        "insert only nodes generated by preferred operators",
+        "false");
 }
 
 tuple<bool> get_open_list_arguments_from_options(
-        const plugins::Options &opts) {
-return make_tuple(opts.get<bool>("pref_only"));
+    const plugins::Options &opts) {
+    return make_tuple(opts.get<bool>("pref_only"));
 }
 
 static class OpenListFactoryCategoryPlugin : public plugins::TypedCategoryPlugin<OpenListFactory> {

src/search/operator_counting/operator_counting_heuristic.cc

@@ -113,8 +113,8 @@ class OperatorCountingHeuristicFeature
     }
 
     virtual shared_ptr<OperatorCountingHeuristic> create_component(
-            const plugins::Options &opts,
-            const utils::Context &context) const override {
+        const plugins::Options &opts,
+        const utils::Context &context) const override {
         plugins::verify_list_non_empty<shared_ptr<ConstraintGenerator>>(
             context, opts, "constraint_generators");
         return plugins::make_shared_from_arg_tuples<OperatorCountingHeuristic>(

src/search/pdbs/canonical_pdbs_heuristic.cc

@@ -93,8 +93,8 @@ void add_canonical_pdbs_options_to_feature(plugins::Feature &feature) {
 }
 
 tuple<double> get_canonical_pdbs_arguments_from_options(
-        const plugins::Options &opts) {
-return make_tuple(opts.get<double>("max_time_dominance_pruning"));
+    const plugins::Options &opts) {
+    return make_tuple(opts.get<double>("max_time_dominance_pruning"));
 }
 
 class CanonicalPDBsHeuristicFeature