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/// Default scheme for cos service.
pub const COS_SCHEME: &str = "cos";

/// 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.
pub const COSN_SCHEME: &str = "cosn";

/// Register this service into the given registry.
///
/// Both the canonical `cos` scheme and the Hadoop-compatible `cosn`
/// alias are registered so that URIs like `cos://bucket/key` and
/// `cosn://bucket/key` are both resolvable to this backend.
pub fn register_cos_service(registry: &opendal_core::OperatorRegistry) {
    registry.register::<Cos>(COS_SCHEME);
    registry.register::<Cos>(COSN_SCHEME);
}

mod backend;
mod config;
mod core;
mod deleter;
mod lister;
mod reader;
mod writer;

pub use backend::CosBuilder as Cos;
pub use config::CosConfig;
