fn new() -> KnowledgeBuilder

fn add(&mut self, content: &str, metadata: Option<HashMap<String, String>>) -> Result<AddResult>

fn add_document(&mut self, document: Document) -> Result<AddResult>

fn search(&self, query: &str, limit: usize) -> Result<SearchResult>

fn get(&self, id: &str) -> Option<&Document>

fn delete(&mut self, id: &str) -> bool

fn clear(&mut self) -> ()

fn len(&self) -> usize

fn is_empty(&self) -> bool

fn chunk(&self, text: &str) -> Vec<String>