The configuration file resides in the top level of the fakefs directory structure.
The file consists of a list of lines, which are broken down into lists of words on whitespace boundaries. The first word is treated as the name of a configuration object. The second word is treated as the name of a method to be called on that object. Remaining words are treated as arguments to the method call.
Blank lines are ignored. Leading and trailing whitespace is ignored.
Lines whose first word begins with `#' are ignored.