//! Source-neutral query semantics.
//!
//! These helpers define VeloQ's cross-source query grammar and small
//! projections of that grammar into backend pattern languages. They do
//! not build SQL statements, own bind values, know DuckDB types, or know
//! NSys/PyTorch event schemas. Source crates adapt these semantics to
//! their own storage backend.
pub use ;
pub use ;
pub use ;
pub use ;