import type { ApiClientSubResourceOptions } from '../base/api_client';
import { ResourceClient } from '../base/resource_client';
import { ActorEnvVarClient } from './actor_env_var';
import { ActorEnvVarCollectionClient } from './actor_env_var_collection';
/**
 * Client for managing a specific Actor version.
 *
 * Actor versions represent specific builds or snapshots of an Actor's code. This client provides
 * methods to get, update, and delete versions, as well as manage their environment variables.
 *
 * @example
 * ```javascript
 * const client = new ApifyClient({ token: 'my-token' });
 * const actorClient = client.actor('my-actor-id');
 *
 * // Get a specific version
 * const versionClient = actorClient.version('0.1');
 * const version = await versionClient.get();
 *
 * // Update version
 * await versionClient.update({ buildTag: 'latest' });
 * ```
 *
 * @see https://docs.apify.com/platform/actors/development/actor-definition/versions
 */
export declare class ActorVersionClient extends ResourceClient {
    /**
     * @hidden
     */
    constructor(options: ApiClientSubResourceOptions);
    /**
     * Retrieves the Actor version.
     *
     * @returns The Actor version object, or `undefined` if it does not exist.
     * @see https://docs.apify.com/api/v2/act-version-get
     */
    get(): Promise<FinalActorVersion | undefined>;
    /**
     * Updates the Actor version with the specified fields.
     *
     * @param newFields - Fields to update.
     * @returns The updated Actor version object.
     * @see https://docs.apify.com/api/v2/act-version-put
     */
    update(newFields: ActorVersion): Promise<FinalActorVersion>;
    /**
     * Deletes the Actor version.
     *
     * @see https://docs.apify.com/api/v2/act-version-delete
     */
    delete(): Promise<void>;
    /**
     * Returns a client for the specified environment variable of this Actor version.
     *
     * @param envVarName - Name of the environment variable.
     * @returns A client for the environment variable.
     * @see https://docs.apify.com/api/v2/act-version-env-var-get
     */
    envVar(envVarName: string): ActorEnvVarClient;
    /**
     * Returns a client for the environment variables of this Actor version.
     *
     * @returns A client for the Actor version's environment variables.
     * @see https://docs.apify.com/api/v2/act-version-env-vars-get
     */
    envVars(): ActorEnvVarCollectionClient;
}
export interface BaseActorVersion<SourceType extends ActorSourceType> {
    versionNumber?: string;
    sourceType: SourceType;
    envVars?: ActorEnvironmentVariable[];
    applyEnvVarsToBuild?: boolean;
    buildTag?: string;
}
export interface ActorVersionSourceFiles extends BaseActorVersion<ActorSourceType.SourceFiles> {
    sourceFiles: ActorVersionSourceFile[];
}
export interface ActorVersionSourceFile {
    name: string;
    format: 'TEXT' | 'BASE64';
    content: string;
}
export interface ActorVersionGitRepo extends BaseActorVersion<ActorSourceType.GitRepo> {
    gitRepoUrl: string;
}
export interface ActorVersionTarball extends BaseActorVersion<ActorSourceType.Tarball> {
    tarballUrl: string;
}
export interface ActorVersionGitHubGist extends BaseActorVersion<ActorSourceType.GitHubGist> {
    gitHubGistUrl: string;
}
export declare enum ActorSourceType {
    SourceFiles = "SOURCE_FILES",
    GitRepo = "GIT_REPO",
    Tarball = "TARBALL",
    GitHubGist = "GITHUB_GIST"
}
export interface ActorEnvironmentVariable {
    name?: string;
    value?: string;
    isSecret?: boolean;
}
export type ActorVersion = ActorVersionSourceFiles | ActorVersionGitRepo | ActorVersionTarball | ActorVersionGitHubGist;
export type FinalActorVersion = ActorVersion & Required<Pick<ActorVersion, 'versionNumber' | 'buildTag'>>;
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