import type { OperationDescriptor } from "./openapi-types.js";
export declare function firstLine(text: unknown): string;
/**
 * Builds the API-reference landing page as safe MDX. Endpoint metadata is
 * emitted through JSX string expressions, so arbitrary OpenAPI summaries,
 * paths, tags, and descriptions remain text rather than executable MDX.
 */
export declare function buildApiIndexBody(operations: OperationDescriptor[]): string;
/** Minimal markdown body for an endpoint, used by the llms.txt aggregation. */
export declare function buildEndpointBody(title: string, methodUpper: string, pathKey: string, opRaw: any): string;
/**
 * Builds the MDX body for a generated endpoint page: the operation description,
 * followed by `<Field>` documentation for the parameters and request body, and
 * a schema/example code block per response. Spec-derived strings are emitted
 * only through serialized JSX expressions. Rendered above the playground.
 */
export declare function buildEndpointDoc(op: OperationDescriptor): string;