# Functions
NewDataSource constructs a new configuration provider by supplied config address.
Register registers a dataSource creator function to the registry.
# Variables
ErrDefaultConfigNotExist defines an error than config not exists.
ErrInvalidDataSource defines an error that the scheme has been registered.
ErrInvalidUnmarshaller defines an error that unmarshaller is not exists.
# Type aliases
DataSourceCreatorFunc represents a dataSource creator function.