cannot use &EventEnvelope{} (value of type *EventEnvelope) as Envelope value in assignment: *EventEnvelope does not implement Envelope (missing method String)

cannot use &ReqEnvelope{} (value of type *ReqEnvelope) as Envelope value in assignment: *ReqEnvelope does not implement Envelope (missing method String)

undefined: Event

cannot use (*EventEnvelope)(nil) (value of type *EventEnvelope) as Envelope value in variable declaration: *EventEnvelope does not implement Envelope (missing method String)

cannot use (*ReqEnvelope)(nil) (value of type *ReqEnvelope) as Envelope value in variable declaration: *ReqEnvelope does not implement Envelope (missing method String)

v.MarshalEasyJSON undefined (type EventEnvelope has no field or method MarshalEasyJSON)

undefined: Filters

undefined: Filters

undefined: Filters

undefined: Event