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 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
 -  inherits from sfException
# sfException::formatArgs()
 -  can format a single argument
 -  can format an array of arguments
 -  can format an objet instance
 -  can format a null
 -  can format an integer
 -  can format a nested array
 -  escapes strings
 -  escapes strings for keys and values in arrays
# Looks like everything went fine.