macro_rules! push_db_pair_items {
($dbtx:ident, $prefix_type:expr, $key_type:ty, $value_type:ty, $map:ident, $key_literal:literal) => { ... };
}
macro_rules! push_db_pair_items {
($dbtx:ident, $prefix_type:expr, $key_type:ty, $value_type:ty, $map:ident, $key_literal:literal) => { ... };
}