//! Module: query::builder::aggregate
//! Responsibility: composable grouped/global aggregate expression builders plus
//! fluent terminal descriptors that project aggregate-like query results.
//! Does not own: aggregate validation policy, executor fold semantics, or
//! session execution wiring.
//! Boundary: fluent aggregate intent construction and terminal descriptors
//! lowered into query/session-owned execution contracts.
///
/// TESTS
///
pub use ;
pub use *;
pub use ;
pub use *;