var unencoded = qs.stringify({ a: { b: 'c' } }, { encode: false });
assert.equal(unencoded, 'a[b]=c');
{
params: {
filter: {filter: this.filter.q},
},
paramsSerializer: function (params) {
return Qs.stringify(params, {arrayFormat: 'brackets', encode: false})
},
}