import { VersioningType } from '../enums/version-type.enum';
/**
 * Indicates that this will work for any version passed in the request, or no version.
 *
 * @publicApi
 */
export declare const VERSION_NEUTRAL: unique symbol;
export declare type VersionValue = string | string[] | typeof VERSION_NEUTRAL;
/**
 * @publicApi
 */
export interface VersionOptions {
    /**
     * Specifies an optional API Version. When configured, methods
     * withing the controller will only be routed if the request version
     * matches the specified value.
     *
     * Supported only by HTTP-based applications (does not apply to non-HTTP microservices).
     *
     * @see [Versioning](https://docs.nestjs.com/techniques/versioning)
     */
    version?: VersionValue;
}
export interface HeaderVersioningOptions {
    type: VersioningType.HEADER;
    /**
     * The name of the Request Header that contains the version.
     */
    header: string;
}
export interface UriVersioningOptions {
    type: VersioningType.URI;
    /**
     * Optional prefix that will prepend the version within the URI.
     *
     * Defaults to `v`.
     *
     * Ex. Assuming a version of `1`, for `/api/v1/route`, `v` is the prefix.
     */
    prefix?: string | false;
}
export interface MediaTypeVersioningOptions {
    type: VersioningType.MEDIA_TYPE;
    /**
     * The key within the Media Type Header to determine the version from.
     *
     * Ex. For `application/json;v=1`, the key is `v=`.
     */
    key: string;
}
/**
 * @publicApi
 */
export declare type VersioningOptions = HeaderVersioningOptions | UriVersioningOptions | MediaTypeVersioningOptions;