Map an abstract path from plugin state to an absolute path. @param handle MUST be the handle member of this struct. @param abstract_path An abstract path (e.g. a path from plugin state). @return An absolute file system path.
Map an absolute path to an abstract path for use in plugin state. @param handle MUST be the handle member of this struct. @param absolute_path The absolute path of a file. @return An abstract path suitable for use in plugin state.
Opaque host data.
Feature data for state:mapPath (@ref LV2_STATE__mapPath).