export interface StatusCompressionAggregate {
    events: number;
    original_tokens: number;
    compressed_tokens: number;
    savings_tokens: number;
}
export interface StatusCompression {
    project: StatusCompressionAggregate;
    session: StatusCompressionAggregate;
}
/**
 * Human health categories from the status snapshot. Each category is optional:
 * a missing value was not proven, so renderers must omit it instead of treating
 * absence as a clean zero.
 */
export interface StatusBar {
    errors?: number;
    warnings?: number;
    dead_code?: number;
    unused_exports?: number;
    duplicates?: number;
    todos?: number;
    tier2_stale?: boolean;
}
export interface AftStatusSnapshot {
    version: string;
    project_root: string | null;
    canonical_root: string | null;
    cache_role: string;
    /**
     * True when at least one heavy AFT subsystem has been auto-disabled for
     * the current project root. `degraded_reasons` enumerates why (e.g.
     * `["home_root"]`, `["search_too_many_files:20000"]`). The sidebar / TUI
     * dialog surface this so users know `aft_search`, `aft_callgraph` etc.
     * won't return results from this session and can choose to open a
     * project subdirectory instead.
     */
    degraded: boolean;
    /** Machine-readable degraded-mode reasons. Empty when `degraded === false`. */
    degraded_reasons: string[];
    features: {
        format_on_edit: boolean;
        validate_on_edit: string;
        restrict_to_project_root: boolean;
        search_index: boolean;
        semantic_search: boolean;
    };
    search_index: {
        status: string;
        files: number | null;
        trigrams: number | null;
    };
    semantic_index: {
        status: string;
        backend?: string | null;
        model?: string | null;
        stage?: string | null;
        files?: number | null;
        entries_done?: number | null;
        entries_total?: number | null;
        refreshing_count: number;
        entries: number | null;
        dimension: number | null;
        error?: string | null;
    };
    disk: {
        storage_dir: string | null;
        trigram_disk_bytes: number;
        semantic_disk_bytes: number;
    };
    lsp_servers: number;
    runtime: {
        live_watchers: number;
        live_actor_roots: number;
        open_routes: number;
    };
    symbol_cache: {
        local_entries: number;
        warm_entries: number;
    };
    storage_dir: string | null;
    /** Total checkpoints across all sessions sharing this bridge. */
    checkpoints_total: number;
    /** Current session's own slice of undo/checkpoint state. */
    session: {
        id: string;
        tracked_files: number;
        checkpoints: number;
    };
    /** Compression aggregate passthrough; rendering is added separately. */
    compression?: StatusCompression;
    /** Human health counts. Each unproven category stays absent rather than zero. */
    status_bar?: StatusBar;
    /**
     * Human-readable explanation for a synthetic snapshot (e.g.
     * `cache_role === "not_initialized"`). When the plugin returns a placeholder
     * because no bridge has been spawned yet, this message tells the user what
     * to expect; the TUI dialog renders it instead of an empty grid of zeros.
     * Empty string when the snapshot is real bridge data.
     */
    message: string;
}
/** Neutral label for cache_role. Worktree/read_only borrow the shared repo index; they are not a failure. */
export declare function formatCacheRoleLabel(role: string): string;
/** One-liner for the sidebar. Worktree mode only; other roles stay silent. */
export declare function worktreeCacheRoleNote(role: string | undefined): string | null;
export declare function formatSemanticIndexStatus(status: string, stage?: string | null): string;
export declare function formatSemanticRefreshing(refreshingCount: number): string | null;
export declare function formatBytes(bytes: number): string;
export declare function coerceAftStatus(response: Record<string, unknown>): AftStatusSnapshot;
/**
 * Plain-text status renderer used by the Desktop `sendIgnoredMessage` path,
 * which can only show a plain string. The TUI dialog uses a custom JSX
 * component in `tui/index.tsx` (see `StatusDialog`) so it can render with
 * themed colors, proper flex columns, and right-aligned values instead of
 * monospace padding.
 */
export declare function formatStatusDialogMessage(status: AftStatusSnapshot): string;
export declare function formatStatusMarkdown(status: AftStatusSnapshot): string;
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