import type { ChatMessage, Mode, ProviderId, SuccessfulRequestSnapshot } from "../../types.js";
import type { PreviousTurnSignal, RunTurnRequest } from "../ports/agent-port.js";
export interface TurnRequestInput {
    readonly prompt: string;
    readonly mode: Mode;
    readonly provider: ProviderId;
    readonly model: string;
    readonly history: readonly ChatMessage[];
    readonly materializeImages: boolean;
    readonly displayPrompt?: string | null | undefined;
    readonly previousTurn?: PreviousTurnSignal | undefined;
    readonly previousSuccessfulRequest?: SuccessfulRequestSnapshot | undefined;
    readonly contextLimitTokens?: number | undefined;
    readonly getContextLimitTokens?: (provider: ProviderId | undefined, model: string | undefined) => number | undefined;
}
export interface BuiltTurnRequest {
    readonly request: RunTurnRequest;
    readonly fallbackReason?: string | undefined;
    readonly imageIssues: readonly string[];
}
/** Resolve attachments/vision once and assemble the agent request. */
export declare function buildTurnRequest(input: TurnRequestInput): BuiltTurnRequest;