import { type SQLWrapper } from 'drizzle-orm';
import type { SQL } from 'drizzle-orm/sql/sql';
/** Models MotherDuck documents for prompt(). Other names pass through. */
export type MotherDuckPromptModel = 'gpt-4o-mini' | 'gpt-4o' | 'gpt-4.1-nano' | 'gpt-4.1-mini' | 'gpt-4.1' | 'gpt-5-nano' | 'gpt-5-mini' | 'gpt-5' | 'gpt-6-luna' | (string & {});
export type MotherDuckPromptReasoningEffort = 'none' | 'minimal' | 'low' | 'medium' | 'high' | 'xhigh';
export interface MotherDuckPromptOptions {
    /** Defaults to `gpt-4o-mini` on MotherDuck. */
    model?: MotherDuckPromptModel;
    /** From 0 to 1. Reasoning models reject it. */
    temperature?: number;
    /** Only for reasoning models. MotherDuck defaults it to `none`. */
    reasoningEffort?: MotherDuckPromptReasoningEffort;
    /** Return a STRUCT. Maps each field name to a DuckDB type such as `VARCHAR`. */
    struct?: Record<string, string>;
    /** Describes `struct` fields for the model. Requires `struct`. */
    structDescr?: Record<string, string>;
    /** Return JSON that follows this JSON Schema. */
    jsonSchema?: string | Record<string, unknown>;
    /** Return a single value of this DuckDB type, such as `INTEGER[]`. */
    returnType?: string;
}
/**
 * Build MotherDuck prompt() with its settings inlined as constants, which the
 * binder requires. The input remains a bound value or SQL expression. Pass the
 * decoded type as `T` when using `struct`, `jsonSchema` or `returnType`.
 */
export declare function mdPrompt<T = string>(input: string | SQLWrapper, options?: MotherDuckPromptOptions): SQL<T | null>;