joinHelper(10, 20);
    joinHelper(10, 0, 20);
    joinHelper(0, 10, 20);
    joinHelper(10, 20, 0);
    joinHelper(10, 20, 1);
    joinHelper(1, 1, 1, 1, 1, 1, 1, 1);
    joinHelper(1, 0, 1, 0, 1, 0, 1, 0);
  }

  public void testOnlyOneOpen() throws Exception {
    ByteSource source = newByteSource(0, 50);
    int[] counter = new int[1];
    ByteSource checker =
        new ByteSource() {

    joinHelper(10, 20);
    joinHelper(10, 0, 20);
    joinHelper(0, 10, 20);
    joinHelper(10, 20, 0);
    joinHelper(10, 20, 1);
    joinHelper(1, 1, 1, 1, 1, 1, 1, 1);
    joinHelper(1, 0, 1, 0, 1, 0, 1, 0);
  }

  public void testOnlyOneOpen() throws Exception {
    ByteSource source = newByteSource(0, 50);
    int[] counter = new int[1];
    ByteSource checker =
        new ByteSource() {

                    int noutputs, TF_Output* grad_outputs) {
    if (grad_inputs_provided) {
      TF_Output grad_inputs[1];
      const float grad_inputs_val[] = {1.0, 1.0, 1.0, 1.0};
      TF_Operation* grad_inputs_op =
          FloatConst2x2(graph_, s_, grad_inputs_val, "GradInputs");
      grad_inputs[0] = TF_Output{grad_inputs_op, 0};

		{testBuckets[4], "file1/receipt.json", "content", nil},
		{testBuckets[4], "file1/guidSplunk-aaaa/file", "content", nil},
		{testBuckets[5], "dir/day_id=2017-10-10/issue", "content", nil},
		{testBuckets[5], "dir/day_id=2017-10-11/issue", "content", nil},
		{testBuckets[5], "foo/201910/1122", "content", nil},
		{testBuckets[5], "foo/201910/1112", "content", nil},
		{testBuckets[5], "foo/201910/2112", "content", nil},

                **Example**

                ```python
                from fastapi import FastAPI

                app = FastAPI(version="0.0.1")
                ```
                """
            ),
        ] = "0.1.0",
        openapi_url: Annotated[
            Optional[str],
            Doc(
                """
                The URL where the OpenAPI schema will be served from.