/**
 * The dashboard's panel readers (operator-console/AC-8..AC-10,
 * operator-console/AC-15..AC-20).
 *
 * Reads only: nothing here writes a file, takes a lock or signals a process
 * (operator-console/AC-8). Each panel is read inside its own `try`, so a state file
 * that does not parse fails that panel alone and the rest keep drawing
 * (operator-console/AC-20).
 *
 * @module
 */
import { type AutopilotPaths } from '../../autopilot/state.js';
import { type WatchReader } from '../../autopilot/watch.js';
import type { Claim } from '../../concurrency/types.js';
import type { AutopilotData, BuildingData, BuildingRow, InstanceRow, OperatorData, PanelRead } from './model.js';
export interface ReadDeps {
    projectRoot: string;
    /** Null outside a git repository. */
    autopilot: AutopilotPaths | null;
    version: string;
    reader?: WatchReader;
    now?: () => number;
    branch?: (root: string) => string | null;
    /** Every recorded claim; `readClaims` by default, which writes nothing. */
    claims?: (root: string) => Map<string, Claim>;
}
/** One panel, or the reason it could not be read, in one line. */
export declare function readPanel<T>(read: () => T): PanelRead<T>;
export declare function gitBranch(root: string): string | null;
/**
 * A reader that keeps what does not change between refreshes: the branch (asked of
 * git once a refresh at most) and the spend, re-computed only when a ledger's size or
 * modification time, or the day, changes (design D-8).
 */
export declare function createReader(deps: ReadDeps): () => OperatorData;
/**
 * The one definition of "running" (building-panel-all-instances/AC-2..AC-4): autopilot
 * tracks it, or a session holds its claim. Every other unfinished instance is idle. Each
 * source failing alone leaves the others drawn, and says so (AC-18).
 */
export declare function readBuilding(autopilot: PanelRead<AutopilotData> | null, claims: PanelRead<Map<string, Claim>>, instances: PanelRead<InstanceRow[]>, attended: (name: string, claim: Claim) => BuildingRow['item']): BuildingData;
/** Size and modification time of every ledger, and the day: what the spend depends on. */
export declare function spendStamp(root: string, now: number): string;
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