/**
 * Swagger2Converter — Swagger 2.0 → OpenAPI 3.0 Adapter
 *
 * Converts a Swagger 2.0 document into an OpenAPI 3.0-compatible
 * structure so the existing parser can handle both versions.
 *
 * Handles:
 * - `host` + `basePath` + `schemes` → `servers`
 * - `definitions` → `components.schemas`
 * - `parameters` with `in: body` → `requestBody`
 * - `produces`/`consumes` → per-operation `content` types
 * - `$ref` prefix rewrite (`#/definitions/` → `#/components/schemas/`)
 *
 * @module
 */
type AnyObj = Record<string, any>;
/**
 * Returns `true` if the input looks like a Swagger 2.0 document.
 */
export declare function isSwagger2(raw: Record<string, unknown>): boolean;
/**
 * Convert a Swagger 2.0 document into an OpenAPI 3.0-equivalent object.
 *
 * The output is NOT a valid 3.0 spec in every edge case, but it is
 * structurally close enough for the existing parser to produce a
 * correct {@link ApiSpec} IR.
 */
export declare function convertSwagger2ToV3(raw: Record<string, unknown>): AnyObj;
export {};
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