148      *         ManagementPermission("control")} is denied
149      * @throws UnsupportedOperationException if this operation is not supported
150      * @since 19
151      */
152     @PreviewFeature(feature = PreviewFeature.Feature.VIRTUAL_THREADS, reflective = true)
153     default void dumpThreads(String outputFile, ThreadDumpFormat format) throws IOException {
154         throw new UnsupportedOperationException();
155     }
156 
157     /**
158      * Thread dump format.
159      * @since 19
160      */
161     @PreviewFeature(feature = PreviewFeature.Feature.VIRTUAL_THREADS, reflective = true)
162     public static enum ThreadDumpFormat {
163         /**
164          * Plain text format.
165          */
166         TEXT_PLAIN,
167         /**
168          * JSON (JavaScript Object Notation) format.






169          */
170         JSON,
171     }
172 }

148      *         ManagementPermission("control")} is denied
149      * @throws UnsupportedOperationException if this operation is not supported
150      * @since 19
151      */
152     @PreviewFeature(feature = PreviewFeature.Feature.VIRTUAL_THREADS, reflective = true)
153     default void dumpThreads(String outputFile, ThreadDumpFormat format) throws IOException {
154         throw new UnsupportedOperationException();
155     }
156 
157     /**
158      * Thread dump format.
159      * @since 19
160      */
161     @PreviewFeature(feature = PreviewFeature.Feature.VIRTUAL_THREADS, reflective = true)
162     public static enum ThreadDumpFormat {
163         /**
164          * Plain text format.
165          */
166         TEXT_PLAIN,
167         /**
168          * JSON (JavaScript Object Notation) format
169          * (<a href="https://tools.ietf.org/html/rfc8259">RFC 8259</a>).
170          *
171          * <p> <a href="doc-files/threadDump.schema.json">threadDump.schema.json</a>
172          * describes the thread dump format in draft
173          * <a href="https://tools.ietf.org/html/draft-json-schema-language-02">
174          * JSON Schema Language version 2</a>.
175          */
176         JSON,
177     }
178 }