Add CountTokensOperator for Google Generative AI CountTokensAPI #41908
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The CountTokens API calculates the number of input tokens before sending a request to the Gemini API.
Use the CountTokens API to prevent requests from exceeding the model context window, and estimate potential costs based on billable characters.
Can be used as part of a larger LLM-based DAG:
Training Dataset Lands --> GCSObjectExistenceSensor --> SupervisedFineTuningTrainOperator --> Use CountTokensOperator as a pre-check to ensure prompts will run successfully and within budget --> GenerativeModelGenerateContentOperator --> RapidEvaluation API Operators (to-do)