New constructs a new Lifter given backend resolver r, path resolver p, and options os.

NewPathset makes a pathset under root.

ObserveWith adds each observer in obs to the lifter's observer list.

Options bundles up each option in os into a single option.

SendStderrTo makes the lifter send any stderr output from its driver to w.

ErrDriverNil occurs when a lifter runs without a SingleLifter set.

ErrNoBackend occurs when backend information is missing.

ErrObserverNil occurs when we try to pass a nil observer as an option.

Error contains an error that occurred while lifting, as well as context.

Instance is the type of per-subject lifter jobs.

Lifter holds the main configuration for the lifter part of the tester framework.

Pathset contains the paths for a lifter.

Pather abstracts over the path resolution for a lifter.

Option is the type of options to pass to New.