pub const PAYLOAD_MEDIA_TYPE: &'static str;Expand description
The payload type of a sealed message that names none (ADR 0006 §4): the
default, no longer the only one (EnvelopeLayerBuilder::payload_media_types).
pub const PAYLOAD_MEDIA_TYPE: &'static str;The payload type of a sealed message that names none (ADR 0006 §4): the
default, no longer the only one (EnvelopeLayerBuilder::payload_media_types).