//! Domain specifications
//!//! Generated by metaphor-schema. Do not edit manually.
//!//! Combinators (AND/OR/NOT) come from `backbone_core::Specification`.
pubusebackbone_core::{Specification, AndSpecification, OrSpecification, NotSpecification};pubmodmailing_ab_test_specification;pubmodmailing_audience_specification;pubmodmailing_contact_specification;pubmodmailing_subscription_specification;pubmodopt_out_reason_specification;pubmodmailing_specification;pubmodmailing_trace_specification;pubmodmailing_filter_specification;// <<< CUSTOM
// END CUSTOM