static if(!(isSomeString!T))
static if(!(is(T == enum)))
static if(!(is(T == bool)))
static if(!(isIntegral!T))
static if(!(isFloatingPoint!T))
static if(!(isArray!T))
static if(!(is(T : GQLDCustomLeaf!Fs, Fs...)))
static if(!(is(T : Nullable!F, F)))
static if(is(T : NullableStore!F, F))