Module retrieval 

Retrieval tools — provide RAG (Retrieval-Augmented Generation) capabilities.

Mirrors ADK-Python’s tools/retrieval module. Provides base traits and implementations for retrieving relevant documents to augment LLM context.

Structs

FilesRetrievalTool

Retrieval tool that searches through local text files.

RetrievalResult

A single retrieval result — a document chunk with metadata.

VertexAiRagConfig

Configuration for Vertex AI RAG retrieval.

VertexAiRagRetrievalTool

Retrieval tool that searches via the Vertex AI RAG API.

Traits

BaseRetrievalTool

Trait for retrieval tools that fetch relevant context.