/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
import type { Package } from "@fluidframework/build-tools";
import { type Command } from "@oclif/core";
import { type PackageFilterOptions, type PackageKind, type PackageSelectionCriteria, type PackageWithKind } from "./filter.js";
import { type PackageSelectionDefault } from "./flags.js";
import { BaseCommand } from "./library/index.js";
/**
 * Commands that run operations per project.
 */
export declare abstract class PackageCommand<T extends typeof Command & {
    flags: typeof PackageCommand.flags;
}> extends BaseCommand<T> {
    static readonly flags: {
        private: import("@oclif/core/interfaces").BooleanFlag<boolean>;
        scope: import("@oclif/core/interfaces").OptionFlag<string[] | undefined, import("@oclif/core/interfaces").CustomOptions>;
        skipScope: import("@oclif/core/interfaces").OptionFlag<string[] | undefined, import("@oclif/core/interfaces").CustomOptions>;
        all: import("@oclif/core/interfaces").BooleanFlag<boolean>;
        dir: import("@oclif/core/interfaces").OptionFlag<string[] | undefined, import("@oclif/core/interfaces").CustomOptions>;
        packages: import("@oclif/core/interfaces").BooleanFlag<boolean>;
        releaseGroup: import("@oclif/core/interfaces").OptionFlag<("client" | "server" | "build-tools" | "all" | "gitrest" | "historian")[] | undefined, import("@oclif/core/interfaces").CustomOptions>;
        releaseGroupRoot: import("@oclif/core/interfaces").OptionFlag<("client" | "server" | "build-tools" | "all" | "gitrest" | "historian")[] | undefined, import("@oclif/core/interfaces").CustomOptions>;
        changed: import("@oclif/core/interfaces").BooleanFlag<boolean>;
        branch: import("@oclif/core/interfaces").OptionFlag<string, import("@oclif/core/interfaces").CustomOptions>;
        concurrency: import("@oclif/core/interfaces").OptionFlag<number, import("@oclif/core/interfaces").CustomOptions>;
    };
    /**
     * The default to use as selection criteria when none is explicitly provided by the user. This enables commands
     * without flags to operate on a collection of packages by default that make sense based on the command.
     */
    protected abstract get defaultSelection(): PackageSelectionDefault;
    protected abstract set defaultSelection(value: PackageSelectionDefault);
    protected filterOptions: PackageFilterOptions | undefined;
    protected selectionOptions: PackageSelectionCriteria | undefined;
    /**
     * An array of packages selected based on the selection criteria.
     *
     * @remarks
     *
     * Note that these packages are not necessarily the ones that are acted on. Packages are selected, then that list is
     * further narrowed by filtering criteria, so this array may contain packages that are not acted on.
     */
    protected selectedPackages: PackageWithKind[] | undefined;
    /**
     * The list of packages after all filters are applied to the selected packages.
     */
    protected filteredPackages: PackageWithKind[] | undefined;
    /**
     * Called for each package that is selected/filtered based on the filter flags passed in to the command.
     *
     * @param pkg - The package being processed.
     * @param kind - The kind of the package.
     * @typeparam TPkg - Type of the package-like object being processed.
     */
    protected abstract processPackage<TPkg extends Package>(pkg: TPkg, kind: PackageKind): Promise<void>;
    protected parseFlags(): void;
    protected selectAndFilterPackages(): Promise<void>;
    run(): Promise<unknown>;
    /**
     * Runs the processPackage method on each package in the provided array.
     *
     * @returns An array of error strings. If the array is not empty, at least one of the calls to processPackage failed.
     */
    protected processPackages(packages: PackageWithKind[]): Promise<string[]>;
}
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