searchSimilar abstract method
Search for similar documents.
filter is an optional payload predicate, honored over the fields
declared filterable via FilterSchema (qdrant-edge on native, sqlite-vec
vec0 columns on native and web). A condition on an undeclared field is a
no-op: passing such a filter returns the same hits as filter: null and
never throws.
Implementation
Future<List<RetrievalResult>> searchSimilar({
required String query,
int topK = 5,
double threshold = 0.0,
Filter? filter,
});