/**
 * OpenAPI type definitions for both v3.0 and v3.1 compatibility
 */
import type { OpenAPIV3, OpenAPIV3_1 } from 'openapi-types';
export type OpenAPIDocument = OpenAPIV3.Document | OpenAPIV3_1.Document;
export type ServerObject = OpenAPIV3.ServerObject | OpenAPIV3_1.ServerObject;
export type SecurityRequirementObject = OpenAPIV3.SecurityRequirementObject | OpenAPIV3_1.SecurityRequirementObject;
export type TagObject = OpenAPIV3.TagObject | OpenAPIV3_1.TagObject;
export type PathItemObject = OpenAPIV3.PathItemObject | OpenAPIV3_1.PathItemObject;
export type OperationObject = OpenAPIV3.OperationObject | OpenAPIV3_1.OperationObject;
export type ParameterObject = OpenAPIV3.ParameterObject | OpenAPIV3_1.ParameterObject;
export type RequestBodyObject = OpenAPIV3.RequestBodyObject | OpenAPIV3_1.RequestBodyObject;
export type ResponseObject = OpenAPIV3.ResponseObject | OpenAPIV3_1.ResponseObject;
export type SchemaObject = OpenAPIV3.SchemaObject | OpenAPIV3_1.SchemaObject;
export type ReferenceObject = OpenAPIV3.ReferenceObject | OpenAPIV3_1.ReferenceObject;
export type HeaderObject = OpenAPIV3.HeaderObject | OpenAPIV3_1.HeaderObject;
export type ExampleObject = OpenAPIV3.ExampleObject | OpenAPIV3_1.ExampleObject;
export type SecuritySchemeObject = OpenAPIV3.SecuritySchemeObject | OpenAPIV3_1.SecuritySchemeObject;
export type CallbackObject = OpenAPIV3.CallbackObject | OpenAPIV3_1.CallbackObject;
export type LinkObject = OpenAPIV3.LinkObject | OpenAPIV3_1.LinkObject;
export type HttpMethod = 'get' | 'put' | 'post' | 'delete' | 'options' | 'head' | 'patch' | 'trace';
export declare const HTTP_METHODS: readonly HttpMethod[];
/**
 * Type guard to check if an object is a $ref reference
 */
export declare function isRef(obj: unknown): obj is ReferenceObject;
/**
 * Extracts the reference name from a $ref string
 */
export declare function getRefName(ref: string): string;
export type { OpenAPIV3, OpenAPIV3_1 };
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