Retrieves value by name, converts it to specified type and associates it with supplied identifiers.
name of the value to bind
type of the value to bind
identifiers of the resulting binding
option with resulting binding (
None if binding was not found by name)
Retrieves bindings from cache based on supplied identifiers.
identifiers describing binding
None if binding was not found
Single binding lookup
List of bindings lookup
Used to retrieve value from other places than modules (config, system, etc.).