import { type FlatRow, type FoldState, type SubtreeActivity } from './nav-render.js';
import type { NodeMeta, SubscriptionRef } from './index.js';
export { PI_MAX_WIDGET_LINES, VIEWPORT_FALLBACK_ROWS, ESC, RESET, BOLD, DIM, REVERSE, BG_ATTACHED, GREEN, RED, YELLOW, CYAN, GRAY, nodeGlyph, visibleWidth, truncate, fillWidth, fillBar, readTelemetry, fmtTokens, tokensCell, activityCell, cycleBadge, navLabel, shortId, askBadge, liveBelowBadge, isAttached, hasBrokerViewers, fetchAsksMap, graphWidgetBudget, GRAPH_HINT, type Telemetry, type FlatRow, type FoldState, type SubtreeActivity, } from './nav-render.js';
export declare function beginFrame(): void;
/** getNode memoized for the current frame (meta.json read + sqlite row). */
export declare function cNode(id: string): NodeMeta | null;
/** subscriptionsOf (a node's reports) memoized for the current frame. */
export declare function cSubscriptions(id: string): SubscriptionRef[];
/** subscribersOf (a node's managers) memoized for the current frame. */
export declare function cSubscribers(id: string): SubscriptionRef[];
/** First manager (by created) — the UP step for the ancestry spine. */
export declare function managerOf(id: string): string | undefined;
/** A kind:'human' node is a control-plane ASK (a humanloop deck on the human's
 *  screen), NOT a pi conversation — it has no session, so focusing/reviving it
 *  boots a confused blank "you have been revived" pi. Its pending-ask signal
 *  already rides the ⚑ badge on the ASKING node (attention.ts follows the
 *  bridge node's parent relation), so the row carries no signal of its
 *  own. Drop it from every navigable list (the tree, BASE reports, child counts,
 *  subtree expansion) so it can never be selected. */
export declare function isHumanAsk(id: string): boolean;
/** A node's direct children that are navigable conversations — human-ask nodes
 *  dropped. The one place the nav chrome enumerates children. */
export declare function convoChildIds(id: string): string[];
/** Live reports (active|idle) of a node — the DOWN set in BASE. */
export declare function liveReports(id: string): string[];
/** Direct navigable children — used for the ⤳ badge (human-ask nodes excluded,
 *  so the count matches what the tree actually shows). */
export declare function childCount(id: string): number;
/** Climb first-manager edges from `self` to the ancestry root (cycle-guarded). */
export declare function climbRoot(self: string): string;
/** Space-joined ids of a node's subtree (cursor-relative {subtree} var). */
export declare function subtreeIds(root: string): string[];
/** ⤳M direct-children badge — the single child-count signal, shown on any row
 *  with navigable children (folded or not). In GRAPH the ▸ caret separately marks
 *  a collapsed row, so this stays a pure count and never doubles as a fold badge. */
export declare function childBadge(node: NodeMeta | null): string;
/** Sort rank for sibling ordering — live nodes (active, then idle) ahead of
 *  terminal ones, so sessions still running surface at the TOP of each child
 *  group instead of being buried under finished/failed ones. */
export declare function statusRank(id: string): number;
/** Direct children, live-first — the sibling order used both when flattening
 *  the tree and when stepping into a subtree (`l`). Array.sort is stable, so
 *  equal-status siblings keep their creation order. */
export declare function sortedChildIds(id: string): string[];
export declare function computeSubtreeActivity(root: string, self: string): SubtreeActivity;
/** Fold policy alone — thin wrapper over computeSubtreeActivity for the keypress
 *  path (buildGraphModel without a precomputed set). The render path computes the
 *  activity once and threads `expand` in, so it never recomputes here. */
export declare function computeDefaultExpanded(root: string, self: string): Set<string>;
export declare function buildGraphModel(self: string, folds: FoldState, expand?: ReadonlySet<string>): FlatRow[];
/** Render one GRAPH row. CURSOR (selected) → reverse-video bar; an ATTACHED
 *  (human-watched) node → a coloured background bar; SELF → bold name. The
 *  cursor outranks the attached tint when both land on the same row. The
 *  overlay-aware glyph alone carries the live signal (status / ⟳ / ⚠). */
export declare function renderGraphRow(r: FlatRow, isCursor: boolean, focused: ReadonlySet<string>, activeBelow: ReadonlyMap<string, number>, asks: Record<string, number>): string;