chore: fix post-merge errors

Author: bevzzz

src/main/java/io/weaviate/client6/v1/internal/rest/DefaultRestTransport.java

@@ -146,7 +146,7 @@ public void cancelled() {
 
   private <RequestT, ResponseT> SimpleHttpRequest prepareSimpleRequest(RequestT request,
       Endpoint<RequestT, ResponseT> endpoint) {
-    var method = endpoint.m
+    var method = endpoint.method(request);
     var uri = uri(endpoint, request);
 
     var body = endpoint.body(request);
@@ -185,11 +185,6 @@ private <ResponseT> ResponseT _handleResponse(Endpoint<?, ResponseT> endpoint, S
     throw new RuntimeException("Unhandled endpoint type " + endpoint.getClass().getSimpleName());
   }
 
-  @Override
-  public RestTransportOptions getTransportOptions() {
-    return transportOptions;
-  }
-
   @Override
   public void close() throws Exception {
     httpClient.close();

src/main/java/io/weaviate/client6/v1/internal/rest/EndpointBase.java

@@ -59,6 +59,9 @@ public boolean isError(int statusCode) {
 
   @Override
   public String deserializeError(int statusCode, String responseBody) {
+    if (responseBody.isBlank()) {
+      return responseBody;
+    }
     {
       var response = JSON.deserialize(responseBody, ErrorResponse1.class);
       if (response.errors != null && !response.errors.isEmpty()) {

src/main/java/io/weaviate/client6/v1/internal/rest/ExternalEndpoint.java

@@ -9,7 +9,7 @@ public class ExternalEndpoint<RequestT, ResponseT> extends SimpleEndpoint<Reques
   public ExternalEndpoint(
       Function<RequestT, String> method,
       Function<RequestT, String> requestUrl,
-      Function<RequestT, Map<String, String>> queryParameters,
+      Function<RequestT, Map<String, Object>> queryParameters,
       Function<RequestT, String> body,
       BiFunction<Integer, String, ResponseT> deserializeResponse) {
     super(method, requestUrl, queryParameters, body, deserializeResponse);

src/main/java/io/weaviate/client6/v1/internal/rest/RestTransport.java

@@ -10,6 +10,4 @@ <RequestT, ResponseT, ExceptionT> ResponseT performRequest(RequestT request,
 
   <RequestT, ResponseT, ExceptionT> CompletableFuture<ResponseT> performRequestAsync(RequestT request,
       Endpoint<RequestT, ResponseT> endpoint);
-
-  RestTransportOptions getTransportOptions();
 }

src/main/java/io/weaviate/client6/v1/internal/rest/SimpleEndpoint.java

@@ -31,7 +31,7 @@ public static <RequestT, ResponseT> SimpleEndpoint<RequestT, ResponseT> noBody(
   public static <RequestT, ResponseT> SimpleEndpoint<RequestT, ResponseT> noBody(
       Function<RequestT, String> method,
       Function<RequestT, String> requestUrl,
-      Function<RequestT, Map<String, String>> queryParameters,
+      Function<RequestT, Map<String, Object>> queryParameters,
       Class<ResponseT> cls) {
     return new SimpleEndpoint<>(method, requestUrl, queryParameters, nullBody(), deserializeClass(cls));
   }