add comment on constructor handling the writer and close

Author: palukku

jablib/src/main/java/org/jabref/logic/integrity/IntegrityCheckResultErrorFormatWriter.java

@@ -34,8 +34,4 @@ public void writeFindings() throws IOException {
                     message.message()));
         }
     }
-
-    @Override
-    public void close() throws IOException {
-    }
 }

jablib/src/main/java/org/jabref/logic/integrity/IntegrityCheckResultTxtWriter.java

@@ -17,8 +17,4 @@ public void writeFindings() throws IOException {
             writer.write(System.lineSeparator());
         }
     }
-
-    @Override
-    public void close() throws IOException {
-    }
 }

jablib/src/main/java/org/jabref/logic/integrity/IntegrityCheckResultWriter.java

@@ -10,10 +10,14 @@ public abstract class IntegrityCheckResultWriter implements Closeable {
     protected final List<IntegrityMessage> messages;
     protected final Writer writer;
 
+    /// Writer lifecycle: The caller is responsible for closing the writer at the appropriate time.
     public IntegrityCheckResultWriter(Writer writer, List<IntegrityMessage> messages) {
         this.writer = writer;
         this.messages = messages;
     }
 
     public abstract void writeFindings() throws IOException;
+
+    @Override
+    public void close() throws IOException { }
 }