Add default implementation to TokenVisitor#complete

Author: mrotteveel

src/main/org/firebirdsql/jaybird/parser/SkipUsingClause.java

@@ -47,11 +47,6 @@ public void visitToken(Token token, VisitorRegistrar visitorRegistrar) {
         }
     }
 
-    @Override
-    public void complete(VisitorRegistrar visitorRegistrar) {
-        // do nothing
-    }
-
     private void pushParserState(ParserState parserState) {
         preservedState.addFirst(parserState);
     }

src/main/org/firebirdsql/jaybird/parser/StatementDetector.java

@@ -132,11 +132,6 @@ public void visitToken(Token token, VisitorRegistrar visitorRegistrar) {
         }
     }
 
-    @Override
-    public void complete(VisitorRegistrar visitorRegistrar) {
-        // do nothing
-    }
-
     public StatementIdentification toStatementIdentification() {
         return new StatementIdentification(statementType, schemaToken, tableNameToken, returningClauseDetected());
     }

src/main/org/firebirdsql/jaybird/parser/TokenVisitor.java

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2021-2022 Mark Rotteveel
+// SPDX-FileCopyrightText: Copyright 2021-2026 Mark Rotteveel
 // SPDX-License-Identifier: LGPL-2.1-or-later
 package org.firebirdsql.jaybird.parser;
 
@@ -28,10 +28,15 @@ public interface TokenVisitor {
 
     /**
      * Signals that the last token was produced and the statement text was fully parsed.
+     * <p>
+     * The default implementation does nothing.
+     * </p>
      *
      * @param visitorRegistrar
      *         Visitor registrar (can be used to remove itself, or add other visitors)
      */
-    void complete(VisitorRegistrar visitorRegistrar);
+    default void complete(VisitorRegistrar visitorRegistrar) {
+        // do nothing
+    }
 
 }

src/test/org/firebirdsql/jaybird/parser/SqlParserTest.java

@@ -226,10 +226,6 @@ public void visitToken(Token token, VisitorRegistrar visitorRegistrar) {
             }
         }
 
-        @Override
-        public void complete(VisitorRegistrar visitorRegistrar) {
-            // do nothing
-        }
     }
 
 }