/**
 * Extracts security scheme information from OpenAPI 2.0/3.x documents.
 * Converts security definitions to a normalized internal format.
 */
import { OpenAPIV2, OpenAPIV3, OpenAPIV3_1 } from 'openapi-types';
/**
 * Security scheme configuration options.
 *
 * Provides a normalized representation of security schemes from OpenAPI documents,
 * supporting both OpenAPI 3.x securitySchemes and Swagger 2.0 securityDefinitions.
 * This interface is used by generators to configure authentication in generated code.
 */
export interface SecuritySchemeOptions {
    /** The name/key of the security scheme as defined in the spec */
    name: string;
    /** Security scheme type */
    type: 'apiKey' | 'http' | 'oauth2' | 'openIdConnect';
    /** For apiKey type: the name of the key parameter */
    apiKeyName?: string;
    /** For apiKey type: where to place the key */
    apiKeyIn?: 'header' | 'query' | 'cookie';
    /** For http type: the authentication scheme (bearer, basic, etc.) */
    httpScheme?: 'bearer' | 'basic' | string;
    /** For http bearer: the format of the bearer token */
    bearerFormat?: string;
    /** For oauth2 type: the available flows */
    oauth2Flows?: {
        implicit?: {
            authorizationUrl: string;
            scopes: Record<string, string>;
        };
        password?: {
            tokenUrl: string;
            scopes: Record<string, string>;
        };
        clientCredentials?: {
            tokenUrl: string;
            scopes: Record<string, string>;
        };
        authorizationCode?: {
            authorizationUrl: string;
            tokenUrl: string;
            scopes: Record<string, string>;
        };
    };
    /** For openIdConnect type: the OpenID Connect discovery URL */
    openIdConnectUrl?: string;
}
type OpenAPIDocument = OpenAPIV3.Document | OpenAPIV2.Document | OpenAPIV3_1.Document;
/**
 * Extracts security schemes from an OpenAPI document.
 * Handles both OpenAPI 3.x (components.securitySchemes) and
 * Swagger 2.0 (securityDefinitions) formats.
 */
export declare function extractSecuritySchemes(document: OpenAPIDocument): SecuritySchemeOptions[];
export {};