Constant COSN_SCHEME 

pub const COSN_SCHEME: &'static str;

Available on crate feature services-cos only.

Alternative scheme for cos service.

cosn:// is the canonical Hadoop / EMR URI scheme used by many big-data ecosystems (Spark, Hive, Flink, etc.) to access Tencent Cloud COS. OpenDAL accepts it as an alias of cos:// so that existing workloads can switch to OpenDAL without changing their URIs.