pub unsafe fn SymGetSourceVarFromTokenW<P0, P1, P2>(
    hprocess: P0,
    token: *const c_void,
    params: P1,
    varname: P2,
    value: &mut [u16],
) -> Result<()>
where P0: Param<HANDLE>, P1: Param<PCWSTR>, P2: Param<PCWSTR>,