use std::collections::HashSet;const FALLBACK_MODEL_METADATA_WARNING_PREFIX: &str = "Model metadata for `";const FALLBACK_MODEL_METADATA_WARNING_SUFFIX: &str =    "` not found. Defaulting to fallback metadata; this can degrade performance and cause issues.";#[derive(Default)]pub(super) struct WarningDisplayState {    fallback_model_metadata_slugs: HashSet<String>,}impl WarningDisplayState {    pub(super) fn should_display(&mut self, message: &str) -> bool {        fallback_model_metadata_warning_slug(message)            .is_none_or(|slug| self.fallback_model_metadata_slugs.insert(slug.to_string()))    }}fn fallback_model_metadata_warning_slug(message: &str) -> Option<&str> {    message        .strip_prefix(FALLBACK_MODEL_METADATA_WARNING_PREFIX)?        .strip_suffix(FALLBACK_MODEL_METADATA_WARNING_SUFFIX)}