diff --git a/_specifications/lsp/3.18/language/documentSymbol.md b/_specifications/lsp/3.18/language/documentSymbol.md
index 0444ef9d2..3f6084e7c 100644
--- a/_specifications/lsp/3.18/language/documentSymbol.md
+++ b/_specifications/lsp/3.18/language/documentSymbol.md
@@ -165,11 +165,127 @@ export namespace SymbolTag {
 
 	/**
 	 * Render a symbol as obsolete, usually using a strike-out.
+	 * @since 3.16
 	 */
-	export const Deprecated: 1 = 1;
+	export const Deprecated = 1;
+
+    /**
+	 * Render a symbol with visibility / access modifier "private".
+	 * @since 3.18
+	 */
+    export const Private = 2;
+    
+    /**
+	 * Render a symbol with visibility "package private", e.g. in Java.
+	 * @since 3.18
+	 */
+    export const Package = 3;
+    
+    /**
+	 * Render a symbol with visibility / access modifier "protected".
+	 * The modifier could be combined e.g. with "internal" or "private" in languages like C#.
+	 * @since 3.18
+	 */
+    export const Protected = 4;
+    
+    /**
+	 * Render a symbol with visibility / access modifier "public".
+	 * @since 3.18
+	 */
+    export const Public = 5;
+    
+    /**
+	 * Render a symbol with visibility / access modifier "internal", e.g. in C# or Kotlin.
+	 * @since 3.18
+	 */
+    export const Internal= 6;
+    
+    /**
+	 * Render a symbol with visibility / access modifier "file", e.g. in C#.
+	 * @since 3.18
+	 */
+    export const File = 7;
+
+	/**
+	 * Render a symbol as "static".
+	 * @since 3.18
+	 */
+    export const Static = 8;
+    
+    /**
+	 * Render a symbol as "abstract".
+	 * @since 3.18
+	 */
+    export const Abstract = 9;
+    
+    /**
+	 * Render a symbol as "final".
+	 * @since 3.18
+	 */
+    export const Final = 10;
+
+    /**
+	 * Render a symbol as "sealed", e.g. classes and interfaces in Kotlin.
+	 * @since 3.18
+	 */
+    export const Sealed = 11;
+    
+    /**
+	 * Render a symbol as "transient", e.g. in Java.
+	 * @since 3.18
+	 */
+    export const Transient = 12;
+    
+    /**
+	 * Render a symbol as "volatile", e.g. in Java.
+	 * @since 3.18
+	 */
+    export const Volatile = 13;
+    
+    /**
+	 * Render a symbol as "synchronized", e.g. in Java.
+	 * @since 3.18
+	 */
+    export const Synchronized = 14;
+    
+    /**
+	 * Render a symbol as "virtual", e.g. in C++.
+	 * @since 3.18
+	 */
+    export const Virtual = 15;
+    
+    /**
+	 * Render a symbol as "nullable", e.g. types with '?' in Kotlin.
+	 * @since 3.18
+	 */
+    export const Nullable = 16;
+    
+    /**
+	 * Render a symbol as "never null", e.g. types without '?' in Kotlin.
+	 * @since 3.18
+	 */
+    export const NonNull = 17;
+    
+    /**
+	 * Render a symbol as declaration.
+	 * @since 3.18
+	 */
+    export const Declaration = 18;
+    
+    /**
+	 * Render a symbol as definition (in contrast to declaration), e.g. in header files in C++.
+	 * @since 3.18
+	 */
+    export const Definition = 19;
+    
+    /**
+	 * Render a symbol as "read-only", i.e. variables / properties that cannot be changed.
+	 * @since 3.18
+	 */
+    export const ReadOnly = 20;
 }
 
-export type SymbolTag = 1;
+export type SymbolTag = 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20;
 ```
 
 <div class="anchorHolder"><a href="#documentSymbol" name="documentSymbol" class="linkableAnchor"></a></div>
diff --git a/_specifications/lsp/3.18/metaModel/metaModel.json b/_specifications/lsp/3.18/metaModel/metaModel.json
index 20fccca67..d52511135 100644
--- a/_specifications/lsp/3.18/metaModel/metaModel.json
+++ b/_specifications/lsp/3.18/metaModel/metaModel.json
@@ -14164,7 +14164,122 @@
 				{
 					"name": "Deprecated",
 					"value": 1,
-					"documentation": "Render a symbol as obsolete, usually using a strike-out."
+					"documentation": "Render a symbol as obsolete, usually using a strike-out.",
+					"since": "3.16"
+				},
+				{
+					"name": "Private",
+					"value": 2,
+					"documentation": "Render a symbol with visibility / access modifier \"private\".",
+					"since": "3.18"
+				},
+				{
+					"name": "Package",
+					"value": 3,
+					"documentation": "Render a symbol with visibility \"package private\", e.g. in Java.",
+					"since": "3.18"
+				},
+				{
+					"name": "Protected",
+					"value": 4,
+					"documentation": "Render a symbol with visibility / access modifier \"protected\". The modifier could be combined e.g. with \"internal\" or \"private\" in languages like C#.",
+					"since": "3.18"
+				},
+				{
+					"name": "Public",
+					"value": 5,
+					"documentation": "Render a symbol with visibility / access modifier \"public\".",
+					"since": "3.18"
+				},
+				{
+					"name": "Internal",
+					"value": 6,
+					"documentation": "Render a symbol with visibility / access modifier \"internal\", e.g. in C# or Kotlin.",
+					"since": "3.18"
+				},
+				{
+					"name": "File",
+					"value": 7,
+					"documentation": "Render a symbol with visibility / access modifier \"file\", e.g. in C#.",
+					"since": "3.18"
+				},
+				{
+					"name": "Static",
+					"value": 8,
+					"documentation": "Render a symbol as \"static\".",
+					"since": "3.18"
+				},
+				{
+					"name": "Abstract",
+					"value": 9,
+					"documentation": "Render a symbol as \"abstract\".",
+					"since": "3.18"
+				},
+				{
+					"name": "Final",
+					"value": 10,
+					"documentation": "Render a symbol as \"final\".",
+					"since": "3.18"
+				},
+				{
+					"name": "Sealed",
+					"value": 11,
+					"documentation": "Render a symbol as \"sealed\", e.g. classes and interfaces in Kotlin.",
+					"since": "3.18"
+				},
+				{
+					"name": "Transient",
+					"value": 12,
+					"documentation": "Render a symbol as \"transient\", e.g. in Java.",
+					"since": "3.18"
+				},
+				{
+					"name": "Volatile",
+					"value": 13,
+					"documentation": "Render a symbol as \"volatile\", e.g. in Java.",
+					"since": "3.18"
+				},
+				{
+					"name": "Synchronized",
+					"value": 14,
+					"documentation": "Render a symbol as \"synchronized\", e.g. in Java.",
+					"since": "3.18"
+				},
+				{
+					"name": "Virtual",
+					"value": 15,
+					"documentation": "Render a symbol as \"virtual\", e.g. in C++.",
+					"since": "3.18"
+				},
+				{
+					"name": "Nullable",
+					"value": 16,
+					"documentation": "Render a symbol as \"nullable\", e.g. types with '?' in Kotlin.",
+					"since": "3.18"
+				},
+				{
+					"name": "NonNull",
+					"value": 17,
+					"documentation": "Render a symbol as \"never null\", e.g. types without '?' in Kotlin.",
+					"since": "3.18"
+				},
+				{
+					"name": "Declaration",
+					"value": 18,
+					"documentation": "Render a symbol as declaration.",
+					"since": "3.18"
+				},
+				{
+					"name": "Definition",
+					"value": 19,
+					"documentation": "Render a symbol as definition (in contrast to declaration), e.g. in header files in C++.",
+					"since": "3.18"
+				},
+				{
+					"name": "ReadOnly",
+					"value": 20,
+					"documentation": "Render a symbol as \"read-only\", i.e. variables / properties that cannot be changed.",
+					"since": "3.18"
 				}
 			],
 			"documentation": "Symbol tags are extra annotations that tweak the rendering of a symbol.\n\n@since 3.16",