getDefault method Null safety
Implementation
@$core.pragma('dart2js:noInline')
static MsgSellAlias getDefault() => _defaultInstance ??= $pb.GeneratedMessage.$_defaultFor<MsgSellAlias>(create);
@$core.pragma('dart2js:noInline')
static MsgSellAlias getDefault() => _defaultInstance ??= $pb.GeneratedMessage.$_defaultFor<MsgSellAlias>(create);