/// A keyvalue interface that provides simple read and write operations.
interface readwrite {
	/// A keyvalue interface that provides simple read and write operations.
	use types.{bucket, error, incoming-value, key, outgoing-value}
	
	/// Get the value associated with the key in the bucket. It returns a incoming-value
	/// that can be consumed to get the value.
	///
	/// If the key does not exist in the bucket, it returns an error.
	get: func(bucket: bucket, key: key) -> result<incoming-value, error>

	/// Set the value associated with the key in the bucket. If the key already
	/// exists in the bucket, it overwrites the value.
	///
	/// If the key does not exist in the bucket, it creates a new key-value pair.
	/// If any other error occurs, it returns an error.
	set: func(bucket: bucket, key: key, outgoing-value: outgoing-value) -> result<_, error>

	/// Delete the key-value pair associated with the key in the bucket.
	///
	/// If the key does not exist in the bucket, it returns an error.
	delete: func(bucket: bucket, key: key) -> result<_, error>

	/// Check if the key exists in the bucket.
	///
	/// If the key does not exist in the bucket, it returns an error.
	exists: func(bucket: bucket, key: key) -> result<bool, error>
}