import type { DecisionRequest } from "./types";
export interface PromptBuilderOptions {
    /** Hard cap on assembled userPrompt length (chars). Default 16384. */
    readonly userPromptCharCap?: number;
}
export interface BuiltPrompt {
    readonly systemPrompt: string;
    readonly userPrompt: string;
}
export declare function buildPrompt(req: DecisionRequest, options?: PromptBuilderOptions): BuiltPrompt;