in internal/provider/provider.go [353:366]
func listElementsToStrings(list []attr.Value) []string {
if len(list) == 0 {
return nil
}
strings := make([]string, len(list))
for i, v := range list {
sv, ok := v.(basetypes.StringValue)
if !ok {
return nil
}
strings[i] = sv.ValueString()
}
return strings
}