diff --git a/src/common/lspLanguageFeatures.ts b/src/common/lspLanguageFeatures.ts
index 2e33cafa..00869daa 100644
--- a/src/common/lspLanguageFeatures.ts
+++ b/src/common/lspLanguageFeatures.ts
@@ -956,3 +956,46 @@ function toFoldingRangeKind(
 }
 
 //#endregion
+
+//#region SelectionRangeAdapter
+
+export interface ILanguageWorkerWithSelectionRanges {
+	getSelectionRanges(uri: string, positions: lsTypes.Position[]): Promise<lsTypes.SelectionRange[]>;
+}
+
+export class SelectionRangeAdapter<T extends ILanguageWorkerWithSelectionRanges>
+	implements languages.SelectionRangeProvider
+{
+	constructor(private _worker: WorkerAccessor<T>) {}
+
+	public provideSelectionRanges(
+		model: editor.IReadOnlyModel,
+		positions: Position[],
+		token: CancellationToken
+	): Promise<languages.SelectionRange[][] | undefined> {
+		const resource = model.uri;
+
+		return this._worker(resource)
+			.then((worker) =>
+				worker.getSelectionRanges(
+					resource.toString(),
+					positions.map<lsTypes.Position>(fromPosition)
+				)
+			)
+			.then((selectionRanges) => {
+				if (!selectionRanges) {
+					return;
+				}
+				return selectionRanges.map((selectionRange: lsTypes.SelectionRange | undefined) => {
+					const result: languages.SelectionRange[] = [];
+					while (selectionRange) {
+						result.push({ range: toRange(selectionRange.range) });
+						selectionRange = selectionRange.parent;
+					}
+					return result;
+				});
+			});
+	}
+}
+
+//#endregion
diff --git a/src/css/cssMode.ts b/src/css/cssMode.ts
index d4a1b288..f881cecc 100644
--- a/src/css/cssMode.ts
+++ b/src/css/cssMode.ts
@@ -98,7 +98,7 @@ export function setupMode(defaults: LanguageServiceDefaults): IDisposable {
 			providers.push(
 				languages.registerSelectionRangeProvider(
 					languageId,
-					new languageFeatures.SelectionRangeAdapter(worker)
+					new languageFeatures.CSSSelectionRangeAdapter(worker)
 				)
 			);
 		}
diff --git a/src/css/languageFeatures.ts b/src/css/languageFeatures.ts
index 34bdccf2..fed724c5 100644
--- a/src/css/languageFeatures.ts
+++ b/src/css/languageFeatures.ts
@@ -5,12 +5,9 @@
 
 import { LanguageServiceDefaults } from './monaco.contribution';
 import type { CSSWorker } from './cssWorker';
-import * as lsTypes from 'vscode-languageserver-types';
-import { languages, editor, Uri, Position, CancellationToken } from '../fillers/monaco-editor-core';
+import { Uri } from '../fillers/monaco-editor-core';
 import {
 	DiagnosticsAdapter,
-	fromPosition,
-	toRange,
 	CompletionAdapter,
 	HoverAdapter,
 	DocumentHighlightAdapter,
@@ -19,7 +16,8 @@ import {
 	RenameAdapter,
 	DocumentSymbolAdapter,
 	DocumentColorAdapter,
-	FoldingRangeAdapter
+	FoldingRangeAdapter,
+	SelectionRangeAdapter
 } from '../common/lspLanguageFeatures';
 
 export interface WorkerAccessor {
@@ -54,35 +52,4 @@ export class CSSDocumentColorAdapter extends DocumentColorAdapter<CSSWorker> {}
 
 export class CSSFoldingRangeAdapter extends FoldingRangeAdapter<CSSWorker> {}
 
-export class SelectionRangeAdapter implements languages.SelectionRangeProvider {
-	constructor(private _worker: WorkerAccessor) {}
-
-	public provideSelectionRanges(
-		model: editor.IReadOnlyModel,
-		positions: Position[],
-		token: CancellationToken
-	): Promise<languages.SelectionRange[][] | undefined> {
-		const resource = model.uri;
-
-		return this._worker(resource)
-			.then((worker) =>
-				worker.getSelectionRanges(
-					resource.toString(),
-					positions.map<lsTypes.Position>(fromPosition)
-				)
-			)
-			.then((selectionRanges) => {
-				if (!selectionRanges) {
-					return;
-				}
-				return selectionRanges.map((selectionRange: lsTypes.SelectionRange | undefined) => {
-					const result: languages.SelectionRange[] = [];
-					while (selectionRange) {
-						result.push({ range: toRange(selectionRange.range) });
-						selectionRange = selectionRange.parent;
-					}
-					return result;
-				});
-			});
-	}
-}
+export class CSSSelectionRangeAdapter extends SelectionRangeAdapter<CSSWorker> {}
diff --git a/src/html/htmlMode.ts b/src/html/htmlMode.ts
index ecc8d1ce..9c9853a5 100644
--- a/src/html/htmlMode.ts
+++ b/src/html/htmlMode.ts
@@ -40,7 +40,7 @@ export function setupMode1(defaults: LanguageServiceDefaults): void {
 	);
 	languages.registerSelectionRangeProvider(
 		languageId,
-		new languageFeatures.SelectionRangeAdapter(worker)
+		new languageFeatures.HTMLSelectionRangeAdapter(worker)
 	);
 	languages.registerRenameProvider(languageId, new languageFeatures.HTMLRenameAdapter(worker));
 
@@ -127,7 +127,7 @@ export function setupMode(defaults: LanguageServiceDefaults): IDisposable {
 			providers.push(
 				languages.registerSelectionRangeProvider(
 					languageId,
-					new languageFeatures.SelectionRangeAdapter(worker)
+					new languageFeatures.HTMLSelectionRangeAdapter(worker)
 				)
 			);
 		}
diff --git a/src/html/languageFeatures.ts b/src/html/languageFeatures.ts
index fb9a8226..432c1d04 100644
--- a/src/html/languageFeatures.ts
+++ b/src/html/languageFeatures.ts
@@ -4,11 +4,8 @@
  *--------------------------------------------------------------------------------------------*/
 
 import type { HTMLWorker } from './htmlWorker';
-import * as lsTypes from 'vscode-languageserver-types';
-import { languages, editor, Uri, Position, CancellationToken } from '../fillers/monaco-editor-core';
+import { Uri } from '../fillers/monaco-editor-core';
 import {
-	fromPosition,
-	toRange,
 	CompletionAdapter,
 	HoverAdapter,
 	DocumentHighlightAdapter,
@@ -17,7 +14,8 @@ import {
 	DocumentLinkAdapter,
 	DocumentFormattingEditProvider,
 	DocumentRangeFormattingEditProvider,
-	FoldingRangeAdapter
+	FoldingRangeAdapter,
+	SelectionRangeAdapter
 } from '../common/lspLanguageFeatures';
 
 export interface WorkerAccessor {
@@ -46,35 +44,4 @@ export class HTMLDocumentRangeFormattingEditProvider extends DocumentRangeFormat
 
 export class HTMLFoldingRangeAdapter extends FoldingRangeAdapter<HTMLWorker> {}
 
-export class SelectionRangeAdapter implements languages.SelectionRangeProvider {
-	constructor(private _worker: WorkerAccessor) {}
-
-	public provideSelectionRanges(
-		model: editor.IReadOnlyModel,
-		positions: Position[],
-		token: CancellationToken
-	): Promise<languages.SelectionRange[][] | undefined> {
-		const resource = model.uri;
-
-		return this._worker(resource)
-			.then((worker) =>
-				worker.getSelectionRanges(
-					resource.toString(),
-					positions.map<lsTypes.Position>(fromPosition)
-				)
-			)
-			.then((selectionRanges) => {
-				if (!selectionRanges) {
-					return;
-				}
-				return selectionRanges.map((selectionRange: lsTypes.SelectionRange | undefined) => {
-					const result: languages.SelectionRange[] = [];
-					while (selectionRange) {
-						result.push({ range: toRange(selectionRange.range) });
-						selectionRange = selectionRange.parent;
-					}
-					return result;
-				});
-			});
-	}
-}
+export class HTMLSelectionRangeAdapter extends SelectionRangeAdapter<HTMLWorker> {}
diff --git a/src/json/jsonMode.ts b/src/json/jsonMode.ts
index c45cd11c..c59137b5 100644
--- a/src/json/jsonMode.ts
+++ b/src/json/jsonMode.ts
@@ -89,7 +89,7 @@ export function setupMode(defaults: LanguageServiceDefaults): IDisposable {
 			providers.push(
 				languages.registerSelectionRangeProvider(
 					languageId,
-					new languageFeatures.SelectionRangeAdapter(worker)
+					new languageFeatures.JSONSelectionRangeAdapter(worker)
 				)
 			);
 		}
diff --git a/src/json/languageFeatures.ts b/src/json/languageFeatures.ts
index e0e4f508..7a7887f9 100644
--- a/src/json/languageFeatures.ts
+++ b/src/json/languageFeatures.ts
@@ -5,19 +5,17 @@
 
 import { LanguageServiceDefaults } from './monaco.contribution';
 import type { JSONWorker } from './jsonWorker';
-import * as lsTypes from 'vscode-languageserver-types';
-import { languages, editor, Uri, Position, CancellationToken } from '../fillers/monaco-editor-core';
+import { editor, Uri } from '../fillers/monaco-editor-core';
 import {
 	DiagnosticsAdapter,
-	fromPosition,
-	toRange,
 	CompletionAdapter,
 	HoverAdapter,
 	DocumentSymbolAdapter,
 	DocumentFormattingEditProvider,
 	DocumentRangeFormattingEditProvider,
 	DocumentColorAdapter,
-	FoldingRangeAdapter
+	FoldingRangeAdapter,
+	SelectionRangeAdapter
 } from '../common/lspLanguageFeatures';
 
 export interface WorkerAccessor {
@@ -65,35 +63,4 @@ export class JSONDocumentColorAdapter extends DocumentColorAdapter<JSONWorker> {
 
 export class JSONFoldingRangeAdapter extends FoldingRangeAdapter<JSONWorker> {}
 
-export class SelectionRangeAdapter implements languages.SelectionRangeProvider {
-	constructor(private _worker: WorkerAccessor) {}
-
-	public provideSelectionRanges(
-		model: editor.IReadOnlyModel,
-		positions: Position[],
-		token: CancellationToken
-	): Promise<languages.SelectionRange[][] | undefined> {
-		const resource = model.uri;
-
-		return this._worker(resource)
-			.then((worker) =>
-				worker.getSelectionRanges(
-					resource.toString(),
-					positions.map<lsTypes.Position>(fromPosition)
-				)
-			)
-			.then((selectionRanges) => {
-				if (!selectionRanges) {
-					return;
-				}
-				return selectionRanges.map((selectionRange: lsTypes.SelectionRange | undefined) => {
-					const result: languages.SelectionRange[] = [];
-					while (selectionRange) {
-						result.push({ range: toRange(selectionRange.range) });
-						selectionRange = selectionRange.parent;
-					}
-					return result;
-				});
-			});
-	}
-}
+export class JSONSelectionRangeAdapter extends SelectionRangeAdapter<JSONWorker> {}