Nomad changes

docs/snippets/java/llm/structured_extraction.md

@@ -0,0 +1,46 @@
+```java title="Java"
+import dev.kreuzberg.ExtractionConfig;
+import dev.kreuzberg.ExtractionResult;
+import dev.kreuzberg.Kreuzberg;
+import dev.kreuzberg.LlmConfig;
+import dev.kreuzberg.StructuredExtractionConfig;
+
+import java.nio.file.Path;
+import java.util.List;
+import java.util.Map;
+
+public class StructuredExtractionExample {
+    public static void main(String[] args) throws Exception {
+        Map<String, Object> schema = Map.of(
+            "type", "object",
+            "properties", Map.of(
+                "title", Map.of("type", "string"),
+                "authors", Map.of("type", "array", "items", Map.of("type", "string")),
+                "date", Map.of("type", "string")
+            ),
+            "required", List.of("title", "authors", "date"),
+            "additionalProperties", false
+        );
+
+        LlmConfig llm = LlmConfig.builder()
+            .withModel("openai/gpt-4o-mini")
+            .build();
+
+        StructuredExtractionConfig structured = new StructuredExtractionConfig(
+            schema,
+            "PaperMetadata",
+            null,
+            true,
+            null,
+            llm
+        );
+
+        ExtractionConfig config = ExtractionConfig.builder()
+            .withStructuredExtraction(java.util.Optional.of(structured))
+            .build();
+
+        ExtractionResult result = Kreuzberg.extractFile(Path.of("paper.pdf"), config);
+        System.out.println(result.structuredOutput());
+    }
+}
+```