/**
 * @license
 * Copyright 2026 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
import type { ITask, TaskGraph } from "@workglow/task-graph";
import type { CensusList, RunTaskCounts } from "./model/runCensus";
/** The list key holding a Map/Reduce task's in-flight iterations. */
export declare function iterationGroupKey(nodeKey: string): string;
/** The list key holding the tasks of one in-flight iteration. */
export declare function iterationListKey(nodeKey: string, index: number): string;
/** Walks a graph's whole tree the way the rows draw it. */
export declare function censusOfGraph(graph: TaskGraph): CensusList;
/**
 * Walks a single task and everything it owns, for the single-task view, where
 * the task itself is a row rather than a member of a root list.
 */
export declare function censusOfTask(task: ITask): CensusList;
export interface RunCensusState {
    /** The tree as it stands, for pricing the viewport. */
    readonly tree: CensusList;
    /** Everything the run has ever contained, for the footer. */
    readonly counts: RunTaskCounts;
}
/** Tracks what a whole run contains — see {@link useCensus}. */
export declare function useGraphRunCensus(graph: TaskGraph): RunCensusState;
/** The single-task view's census: the task itself plus everything it owns. */
export declare function useTaskRunCensus(task: ITask): RunCensusState;