Control what save does when renaming the temporary file to its final destination fails with EXDEV or EBUSY: when this tree node exists, copy the file contents.
Context prepended to all non-absolute paths
The root for actual file contents
The default location for lens definitions
Information about files
The root directory
How we save files.
Information about text (see aug_text_store and aug_text_retrieve)
Augeas reports some information in this subtree
The env var that points to the chroot holding files we may modify.
Enable or disable node indexes
Fairly arbitrary bound on the length of the path we accept from AUGEAS_SPEC_ENV