/**
 * @license
 * Copyright 2026 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
import type { ITask } from "@workglow/task-graph";
import type { DataPortSchema } from "@workglow/util/schema";
import type React from "react";
import type { CliTaskLine, IterationSlotRow } from "../taskGraphCliSubscriptions";
export interface TaskRowProps {
    readonly task: ITask;
    readonly line: CliTaskLine;
    readonly iterationSlots: ReadonlyArray<IterationSlotRow> | undefined;
    /**
     * This row's path in the run census. Everything the row draws beneath itself
     * — an owned subgraph, a Map's live iterations — is keyed off it, which is
     * how the viewport plan reaches a list nested three levels down.
     */
    readonly nodeKey: string;
}
export declare function hasAppendStream(schema: DataPortSchema | undefined): boolean;
export type TaskRowComponent = React.ComponentType<TaskRowProps>;
/**
 * Returns the React component that should render the given task row.
 *
 * Explicit mapping: AiChatTask → ChatTaskRow.
 * Fallback: any task with an `x-stream: append` port → StreamingTextRow.
 * Default: DefaultTaskRow (progress + live map/reduce iteration tasks).
 *
 * The concrete components are injected at call time (see WorkflowRunApp) to
 * avoid import cycles between this module and its consumers.
 */
export declare function pickRenderer(taskType: string, outputSchema: DataPortSchema | undefined, components: {
    ChatTaskRow: TaskRowComponent;
    StreamingTextRow: TaskRowComponent;
    DefaultTaskRow: TaskRowComponent;
}): TaskRowComponent;