in libraries/plist.rb [51:71]
def type_to_commandline_string(value)
case value
when Array
'array'
when Integer
'integer'
when FalseClass
'bool'
when TrueClass
'bool'
when Hash
'dict'
when String
'string'
when Float
'float'
else
raise "Unknown or unsupported data type: #{value} of #{value.class}"
end
end