I think the type name `WrapString` is different

[kumavale]

struct WrapString<'a> {
    query:  Vec<Option<Cow<'a, str>>>,
    params: Vec<Value>,
}

to

pub enum QueryKind<'a> {
    Literal: Cow<'a, str>,
    Param: Value<'a>,
}
pub struct Query<'a> {
    pub(crate) kinds: Vec<Query<'a>>,
}