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configs/rerankers/base.py

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+from typing import Optional
+from pydantic import BaseModel, Field
+
+
+class BaseRerankerConfig(BaseModel):
+    """
+    Base configuration for rerankers with only common parameters.
+    Provider-specific configurations should be handled by separate config classes.
+
+    This class contains only the parameters that are common across all reranker providers.
+    For provider-specific parameters, use the appropriate provider config class.
+    """
+
+    provider: Optional[str] = Field(default=None, description="The reranker provider to use")
+    model: Optional[str] = Field(default=None, description="The reranker model to use")
+    api_key: Optional[str] = Field(default=None, description="The API key for the reranker service")
+    top_k: Optional[int] = Field(default=None, description="Maximum number of documents to return after reranking")