/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
/**
 * A type that represents independent packages (as opposed to those that are part of a release group).
 *
 * @remarks
 *
 * This type is an alias for string now but it could become a real class/interface in the future. Right now it is the
 * full package name including scope.
 *
 * @internal
 */
export type ReleasePackage = string;
/**
 * An array of known release groups.
 */
export declare const knownReleaseGroups: readonly ["build-tools", "client", "server", "gitrest", "historian"];
/**
 * A type that represents release groups.
 */
export type ReleaseGroup = (typeof knownReleaseGroups)[number];
/**
 * A type guard used to determine if a string is a ReleaseGroup.
 */
export declare function isReleaseGroup(str: string | undefined): str is ReleaseGroup;
/**
 * A type that represents where a release can originate. Most release groups use the releaseBranches value, and
 * individual packages use the direct value, which indicates releases originate from the main/lts branches. The
 * interactive value means the user should be asked to define the source dynamically.
 */
export type ReleaseSource = "direct" | "releaseBranches" | "interactive";
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