Macro pallet_contracts::build_runtime

macro_rules! build_runtime {
    ($runtime:ident, $memory:ident: [$($segment:expr,)*]) => { ... };
    ($runtime:ident, $contract:ident, $memory:ident: [$($bytes:expr,)*]) => { ... };
    ($runtime:ident, $contract:ident) => { ... };
}