/// <reference types="node" />
import type { Operation } from 'oas';
/**
 * With potentially supplied body and/or metadata we need to run through them against a given API
 * operation to see what's what and prepare any available parameters to be used in an API request
 * with `@readme/oas-to-har`.
 *
 */
export default function prepareParams(operation: Operation, body?: unknown, metadata?: Record<string, unknown>): Promise<{
    body?: any;
    cookie?: Record<string, string | number | boolean>;
    files?: Record<string, Buffer>;
    formData?: any;
    header?: Record<string, string | number | boolean>;
    path?: Record<string, string | number | boolean>;
    query?: Record<string, string | number | boolean>;
    server?: {
        selected: number;
        variables: Record<string, string | number>;
    };
}>;