GeminiInteractionUsage

{
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    "total_input_tokens": 0,
    "total_output_tokens": 0,
    "total_cached_tokens": 0,
    "total_tool_use_tokens": 0,
    "total_thought_tokens": 0,
    "input_tokens_by_modality": "string",
    "output_tokens_by_modality": "string"
}