import type { PreparationTextRequest, PreparationTextResult } from '../../types/session/prepare-step.js';
import type { IterationContext } from './iteration/phases/context.js';
/** The provider already owns retry, fallback, cancellation and budget admission. */
export declare function createCallbackInference(ctx: IterationContext, model: string, phase: 'preparation' | 'review'): {
    close: () => void;
    generateText(request: PreparationTextRequest): Promise<PreparationTextResult>;
};
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