import type { OpenApiOperation } from '../openapi-types';
/**
 * Serialize an operation to a string.
 * @param operation - Operation to serialize.
 * @param apiName - Name of the API the operation is part of.
 * @returns The operation as a string.
 * @internal
 */
export declare function serializeOperation(operation: OpenApiOperation, apiName: string): string;
/**
 * @internal
 */
export declare function operationDocumentation(operation: OpenApiOperation): string;