Module summarization 

Text summarization capabilities

Structs

DocumentTree

Hierarchical document tree for multi-level summarization

HierarchicalConfig

Configuration for hierarchical summarization

LLMConfig

Configuration for LLM-based summarization

LevelConfig

Configuration specific to tree levels

NodeId

Unique identifier for tree nodes

QueryResult

Result from querying the hierarchical tree

TreeNode

A node in the hierarchical document tree

TreeStatistics

Statistics about the hierarchical tree

Enums

LLMStrategy

Summarization strategy for different levels

Traits

LLMClient

Trait for LLM client to be used in summarization