Add beta support for new features in LSP 3.18

CHANGELOG.md

@@ -6,6 +6,11 @@ Fixed issues: <https://github.com/eclipse-lsp4j/lsp4j/milestone/37?closed=1>
 
 Breaking API changes:
 
+ * Type of `TextDocumentEdit.edits` changed from `List<TextEdit>` to `List<Either<TextEdit, SnippetTextEdit>>`
+ * Type of `Diagnostic.message` changed from `String` to `Either<String, MarkupContent>`
+ * Type of `DocumentFilter.pattern` changed from `String` to `Either<String, RelativePattern>`
+ * Type of `NotebookDocumentFilter.pattern` changed from `String` to `Either<String, RelativePattern>`
+
 japicmp report: <https://download.eclipse.org/lsp4j/builds/main/japicmp-report/>
 
 ### [v0.24.0 (Jan 2025)](https://github.com/eclipse-lsp4j/lsp4j/releases/tag/v0.24.0)

org.eclipse.lsp4j/src/main/java/org/eclipse/lsp4j/ApplyKind.java

@@ -0,0 +1,54 @@
+/******************************************************************************
+ * Copyright (c) 2025 1C-Soft LLC and others.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0,
+ * or the Eclipse Distribution License v. 1.0 which is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
+ ******************************************************************************/
+package org.eclipse.lsp4j;
+
+import org.eclipse.lsp4j.jsonrpc.Draft;
+
+/**
+ * Defines how values from a set of defaults and an individual item will be merged.
+ * <p>
+ * Since 3.18.0
+ */
+@Draft
+public enum ApplyKind {
+	/**
+	 * The value from the individual item (if provided and not {@code null}) will be
+	 * used instead of the default.
+	 */
+	Replace(1),
+
+	/**
+	 * The value from the item will be merged with the default.
+	 * <p>
+	 * The specific rules for merging values are defined against each field
+	 * that supports merging.
+	 */
+	Merge(2);
+
+	private final int value;
+
+	ApplyKind(final int value) {
+		this.value = value;
+	}
+
+	public int getValue() {
+		return value;
+	}
+
+	public static ApplyKind forValue(final int value) {
+		ApplyKind[] allValues = ApplyKind.values();
+		if (value < 1 || value > allValues.length) {
+			throw new IllegalArgumentException("Illegal enum value: " + value);
+		}
+		return allValues[value - 1];
+	}
+}

org.eclipse.lsp4j/src/main/java/org/eclipse/lsp4j/CodeActionTag.java

@@ -0,0 +1,45 @@
+/******************************************************************************
+ * Copyright (c) 2025 1C-Soft LLC and others.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0,
+ * or the Eclipse Distribution License v. 1.0 which is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
+ ******************************************************************************/
+package org.eclipse.lsp4j;
+
+import org.eclipse.lsp4j.jsonrpc.Draft;
+
+/**
+ * Code action tags are extra annotations that tweak the behavior of a code action.
+ * <p>
+ * Since 3.18.0
+ */
+@Draft
+public enum CodeActionTag {
+	/**
+	 * Marks the code action as LLM-generated.
+	 */
+	LLMGenerated(1);
+
+	private final int value;
+
+	CodeActionTag(int value) {
+		this.value = value;
+	}
+
+	public int getValue() {
+		return value;
+	}
+
+	public static CodeActionTag forValue(int value) {
+		CodeActionTag[] allValues = CodeActionTag.values();
+		if (value < 1 || value > allValues.length) {
+			throw new IllegalArgumentException("Illegal enum value: " + value);
+		}
+		return allValues[value - 1];
+	}
+}

org.eclipse.lsp4j/src/main/java/org/eclipse/lsp4j/InlineCompletionTriggerKind.java

@@ -16,7 +16,7 @@
 /**
  * Describes how an inline completion request was triggered.
  * <p>
- * @since 3.18.0
+ * Since 3.18.0
  */
 @Draft
 public enum InlineCompletionTriggerKind {

org.eclipse.lsp4j/src/main/java/org/eclipse/lsp4j/MessageType.java

@@ -11,6 +11,8 @@
  ******************************************************************************/
 package org.eclipse.lsp4j;
 
+import org.eclipse.lsp4j.jsonrpc.Draft;
+
 public enum MessageType {
 
 	/**
@@ -31,7 +33,15 @@ public enum MessageType {
 	/**
 	 * A log message.
 	 */
-	Log(4);
+	Log(4),
+
+	/**
+	 * A debug message.
+	 * <p>
+	 * Since 3.18.0
+	 */
+	@Draft
+	Debug(5);
 
 	private final int value;