1 files changed, 23 insertions, 0 deletions
diff --git a/vespajlib/src/main/java/ai/vespa/llm/completion/Prompt.java b/vespajlib/src/main/java/ai/vespa/llm/completion/Prompt.java
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index 00000000000..d5d0247d6b0
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+++ b/vespajlib/src/main/java/ai/vespa/llm/completion/Prompt.java
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+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package ai.vespa.llm.completion;
+
+import com.yahoo.api.annotations.Beta;
+
+/**
+ * A prompt that can be given to a large language model to generate a completion.
+ *
+ * @author bratseth
+ */
+@Beta
+public abstract class Prompt {
+
+    public abstract String asString();
+
+    /** Returns a new prompt with the text of the given completion appended. */
+    public Prompt append(Completion completion) {
+        return append(completion.text());
+    }
+
+    public abstract Prompt append(String text);
+
+}