Fix formatting issues in StreamHelper.java

Author: cowboysj

models/spring-ai-anthropic/src/main/java/org/springframework/ai/anthropic/api/StreamHelper.java

@@ -53,21 +53,21 @@
  */
 public class StreamHelper {
 
-    public boolean isToolUseStart(StreamEvent event) {
-        if (isInvalidEvent(event, EventType.CONTENT_BLOCK_START)) {
-            return false;
-        }
-        ContentBlockStartEvent contentBlockStartEvent = (ContentBlockStartEvent) event;
-        return ContentBlock.Type.TOOL_USE.getValue().equals(contentBlockStartEvent.contentBlock().type());
-    }
-
-    public boolean isToolUseFinish(StreamEvent event) {
-        return !isInvalidEvent(event, EventType.CONTENT_BLOCK_STOP);
-    }
-
-    private boolean isInvalidEvent(StreamEvent event, EventType expectedType) {
-        return event == null || event.type() == null || event.type() != expectedType;
-    }
+	public boolean isToolUseStart(StreamEvent event) {
+		if (isInvalidEvent(event, EventType.CONTENT_BLOCK_START)) {
+			return false;
+		}
+		ContentBlockStartEvent contentBlockStartEvent = (ContentBlockStartEvent) event;
+		return ContentBlock.Type.TOOL_USE.getValue().equals(contentBlockStartEvent.contentBlock().type());
+	}
+
+	public boolean isToolUseFinish(StreamEvent event) {
+		return !isInvalidEvent(event, EventType.CONTENT_BLOCK_STOP);
+	}
+
+	private boolean isInvalidEvent(StreamEvent event, EventType expectedType) {
+		return event == null || event.type() == null || event.type() != expectedType;
+	}
 
 	public StreamEvent mergeToolUseEvents(StreamEvent previousEvent, StreamEvent event) {