def accuracy=(accuracy)
      fail(ArgumentError, "Invalid accuracy: #{accuracy}") if ACCURACY_MAP[accuracy].nil?
      manager.desiredAccuracy = ACCURACY_MAP[accuracy]
      @accuracy = accuracy
    end
def accuracy=(accuracy)
      fail(ArgumentError, "Invalid accuracy: #{accuracy}") if ACCURACY_MAP[accuracy].nil?
      manager.desiredAccuracy = ACCURACY_MAP[accuracy]
      @accuracy = accuracy
    end
Creates a new Locman::Location instance.
 @param options [Hash] Attributes that will be assigned on instance creation
 @return [Locman::Manager]
 Sets a desired accuracy.
 @param accuracy [Symbol] Desired accuracy of the location data.