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configs/rerankers/sentence_transformer.py

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+from typing import Optional
+from pydantic import Field
+
+from mem0.configs.rerankers.base import BaseRerankerConfig
+
+
+class SentenceTransformerRerankerConfig(BaseRerankerConfig):
+    """
+    Configuration class for Sentence Transformer reranker-specific parameters.
+    Inherits from BaseRerankerConfig and adds Sentence Transformer-specific settings.
+    """
+
+    model: Optional[str] = Field(default="cross-encoder/ms-marco-MiniLM-L-6-v2", description="The cross-encoder model name to use")
+    device: Optional[str] = Field(default=None, description="Device to run the model on ('cpu', 'cuda', etc.)")
+    batch_size: int = Field(default=32, description="Batch size for processing documents")
+    show_progress_bar: bool = Field(default=False, description="Whether to show progress bar during processing")