make eventFromException and eventFromMessage abstract in BaseClient

Author: Lms24

packages/core/src/basebackend.ts

@@ -79,21 +79,6 @@ export abstract class BaseBackend<O extends Options> implements Backend {
     this._transport = this._setupTransport();
   }
 
-  /**
-   * @inheritDoc
-   */
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/explicit-module-boundary-types
-  public eventFromException(_exception: any, _hint?: EventHint): PromiseLike<Event> {
-    throw new SentryError('Backend has to implement `eventFromException` method');
-  }
-
-  /**
-   * @inheritDoc
-   */
-  public eventFromMessage(_message: string, _level?: Severity, _hint?: EventHint): PromiseLike<Event> {
-    throw new SentryError('Backend has to implement `eventFromMessage` method');
-  }
-
   /**
    * @inheritDoc
    */
@@ -158,4 +143,15 @@ export abstract class BaseBackend<O extends Options> implements Backend {
   protected _setupTransport(): Transport {
     return new NoopTransport();
   }
+
+  /**
+   * @inheritDoc
+   */
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/explicit-module-boundary-types
+  public abstract eventFromException(_exception: any, _hint?: EventHint): PromiseLike<Event>;
+
+  /**
+   * @inheritDoc
+   */
+  public abstract eventFromMessage(_message: string, _level?: Severity, _hint?: EventHint): PromiseLike<Event>;
 }