Function define_api

pub fn define_api<State, Types: NodeType, Ver: StaticVersionType + 'static>(
    options: &Options,
    _: Ver,
    api_ver: Version,
) -> Result<Api<State, Error, Ver>, ApiError>
where
    State: 'static + Send + Sync + ReadState,
    <State as ReadState>::State: Send + Sync + AvailabilityDataSource<Types>,
    Header<Types>: QueryableHeader<Types>,
    Payload<Types>: QueryablePayload<Types>,