visitParamHas -> JSONSHas
visitParamExtractUInt -> JSONSExtractUInt

#include <Functions/FunctionFactory.h>
#include <Functions/FunctionsVisitParam.h>
#include <Functions/FunctionsStringSearch.h>
namespace DB
{
struct HasParam
{
    using ResultType = UInt8;
    static UInt8 extract(const UInt8 *, const UInt8 *)
    {
        return true;
    }
};
struct NameVisitParamHas           { static constexpr auto name = "visitParamHas"; };
using FunctionVisitParamHas = FunctionsStringSearch<ExtractParamImpl<HasParam>, NameVisitParamHas>;
void registerFunctionVisitParamHas(FunctionFactory & factory)
{
    factory.registerFunction<FunctionVisitParamHas>();
}
}