import type { CompletionRequest } from '../types/messages.js';
/** Options for `withFactualDefaults()`. */
export interface FactualOptions {
    /** Temperature used when the request sets none. Defaults to 0. */
    temperature?: number;
    /** Top-p used when the request sets none. Defaults to 0.1. */
    topP?: number;
    /** Tells the model what to answer when it is not sure. Defaults to true. */
    requireUnknownFallback?: boolean;
    /** That answer. Defaults to `I don't know.` */
    unknownAnswer?: string;
    /** Whether the model reasons privately, shows a brief summary, or is not told to reason. */
    chainOfThought?: 'none' | 'private' | 'brief';
    /** Worked examples, added as conversation turns before the request. */
    examples?: Array<{
        input: string;
        output: string;
    }>;
}
/**
 * Adds a system message that asks for factual, conservative answers, with low sampling defaults.
 */
export declare function withFactualDefaults(request: CompletionRequest, options?: FactualOptions): CompletionRequest;
/** Adds a system message asking for JSON only, with low sampling defaults. */
export declare function asJsonOnly(request: CompletionRequest): CompletionRequest;