/**
 * Generic model-pick request — the reusable side of the /model overlay.
 *
 * `requestModelPick(title)` opens the SAME two-step provider→model picker
 * as the /model command, but in purpose 'pick': Enter RESOLVES the returned
 * promise with the selection instead of switching the session model, and
 * every close path (Esc at step 1, global overlay close, a competing open)
 * resolves null. Callers: the Brain panel (pool/voters/judge) — and any
 * future surface that needs a model choice.
 */
import React from 'react';
import type { Action } from '../app-action-type.js';
export type ModelPickSelection = {
    providerId: string;
    model: string;
} | null;
export interface UseModelPickRequestOptions {
    dispatch: React.Dispatch<Action>;
    getPickableProviders?: (() => Promise<Array<{
        id: string;
        family: string;
        models: string[];
    }>>) | undefined;
    /** Live `state.modelPicker.open` — closes without a pick resolve null. */
    pickerOpen: boolean;
}
export interface ModelPickRequestController {
    /** Open the shared picker; resolves with the choice or null on cancel. */
    requestModelPick: (title: string) => Promise<ModelPickSelection>;
    /** Wired into the key hook as `onModelPicked` (purpose 'pick' Enter). */
    handleModelPicked: (providerId: string, modelId: string) => void;
}
export declare function useModelPickRequest(opts: UseModelPickRequestOptions): ModelPickRequestController;
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