lib/Ext/data/proxy/Server.js
function(filters) {
        var min = [],
            length = filters.length,
            i = 0;

        for (; i < length; i++) {
            min[i] = {
                property: filters[i].getProperty(),
                value   : filters[i].getValue()
            };
        }
        return this.applyEncoding(min);
    }
function(filters) {
        var min = [],
            length = filters.length,
            i = 0;

        for (; i < length; i++) {
            min[i] = {
                property: filters[i].getProperty(),
                value   : filters[i].getValue()
            };
        }
        return this.applyEncoding(min);
    }
Encodes the array of {@link Ext.util.Filter} objects into a string to be sent in the request url. By default,
this simply JSON-encodes the filter data
@param {Ext.util.Filter[]} filters The array of {@link Ext.util.Filter Filter} objects
@return {String} The encoded filters