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.

VertexAiRagRetrievalTool

Retrieval tool that searches via Vertex AI RAG API.

Traits

BaseRetrievalTool

Trait for retrieval tools that fetch relevant context.