You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: swpref.m
    path of file: ./repos/spinw/swfiles/@swpref
    
    the code of the file until where you have to start completion: classdef swpref < dynamicprops
    % class to store and retrieve persistent settings
    %
    % ### Syntax
    %
    % `pref = swpref`
    %
    % `pref = swpref('default')`
    
function set(obj,names,values)
            % sets a preference value
            %
            % ### Syntax
            %
            % `set(obj, name, value)`
            %
            % `obj.set(name, value)`
            %
            % ### Description
            %
            % `set(obj, name, value)` sets the preference `name` to the
            % value given by `value`
            %
            % `obj.set(name, value)` sets the preference `name` to the
            % value given by `value`
            %
            % ### See Also
            %
            % [swpref.get]
            %
            
            if nargin < 2
                error('swpref:SetError','You need to supply a parameter,value pair to set!');
            end
            
            if iscell(names) && iscell(values)
                if length(names) ~= length(values)
                    error('swpref:SetInputError','Names and Values must have the same length')
                end