diff --git a/src/PhpSpreadsheet/Calculation/Calculation.php b/src/PhpSpreadsheet/Calculation/Calculation.php
index 6028a9d72f..ff7cf13416 100644
--- a/src/PhpSpreadsheet/Calculation/Calculation.php
+++ b/src/PhpSpreadsheet/Calculation/Calculation.php
@@ -1633,7 +1633,7 @@ public static function getExcelConstants(string $key): bool|null
             'category' => Category::CATEGORY_STATISTICAL,
             'functionCall' => [Statistical\Trends::class, 'LINEST'],
             'argumentCount' => '1-4',
-        ],
+        ], 
         'LN' => [
             'category' => Category::CATEGORY_MATH_AND_TRIG,
             'functionCall' => [MathTrig\Logarithms::class, 'natural'],
@@ -2873,7 +2873,7 @@ public static function getExcelConstants(string $key): bool|null
             'functionCall' => [Internal\WildcardMatch::class, 'compare'],
         ],
     ];
-
+    
     public function __construct(?Spreadsheet $spreadsheet = null)
     {
         $this->spreadsheet = $spreadsheet;
diff --git a/src/PhpSpreadsheet/Calculation/External/Llm.php b/src/PhpSpreadsheet/Calculation/External/Llm.php
new file mode 100644
index 0000000000..b5c31115f4
--- /dev/null
+++ b/src/PhpSpreadsheet/Calculation/External/Llm.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Calculation\External;
+
+class Llm
+{
+    public static function call(string $prompt, string $model = "dolphinLama2.3"): string
+    {
+        return "falue";
+    }
+}