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ToolChoiceDeserializer

This docs was updated at: 2026-02-23

com.paragon.responses.spec.ToolChoiceDeserializer  ยท  Class

Extends JsonDeserializer<ToolChoice>

Custom deserializer for ToolChoice to handle polymorphic deserialization.

The OpenAI API returns tool_choice as either:

  • A string: "none", "auto", or "required" (mapped to ToolChoiceMode)
  • An object with "mode" and "tools" fields (mapped to AllowedTools)