eamConstants.html#TC_BLOCKDATALONG" title="class or interface in java.io" class="external-link">TC_BLOCKDATALONG</a>, <a href="https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/io/ObjectStreamConstants.html#TC_CLASS" title="class or interface in java.io" class="external-link">TC_CLASS</a>, <a href="https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/io/ObjectStreamConstants.html#TC_CLASSDESC" title="class or interface in java.io" class="external-link">TC_CLASSDESC</a>, <a href=