import type { Release } from '@heroku/types/3.sdk';
import type { ResourceCtx } from '../../../core/extend-resource.js';
import type { ContainerOptions } from './index.js';
/**
 * An update item for the `3.docker-releases` API variant.
 *
 * The `docker_image` field is only available with
 * `Accept: application/vnd.heroku+json; version=3.docker-releases`
 */
export type DockerReleasesBatchUpdateOpts = {
    docker_image: string;
    type: string;
};
export type ReleaseDockerImagesResult = {
    newRelease: Release | undefined;
    oldRelease: Release | undefined;
};
/**
 * Release Docker images to a container app.
 */
export declare function releaseDockerImages(ctx: Pick<ResourceCtx, 'platform'>, appIdentity: string, imagesByProcessType: DockerReleasesBatchUpdateOpts[], options?: ContainerOptions): Promise<ReleaseDockerImagesResult>;