/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
import { type Package } from "@fluidframework/build-tools";
type PackageName = string;
type Script = string;
/**
 * `${package.name}#${script}`
 */
export type PackageNameAndScript = string;
type AbsoluteFilePath = string;
type ModuleType = "CommonJS" | "ESM";
/**
 * Representation of a package.json script that generates "build" output.
 */
export interface BuildScript {
    /**
     * Name of the package where script is located.
     */
    packageName: PackageName;
    /**
     * Name of the script within package.
     */
    script: Script;
    /**
     * The recognized module type, if any, that the script generates.
     * An `undefined` value indicates that script is not known to be associated
     * with a certain module type. This might happen for script that only copies
     * files as copying files has no inherent association to one module type or
     * the other.
     */
    moduleType: ModuleType | undefined;
}
/**
 * Maintains a database of build outputs by package script entries.
 *
 * @remarks
 * Queries made to the database provide context (package group) sufficient
 * to load packages and their dependencies, which are cached to expedite
 * further queries.
 * See {@link @fluidframework/build-tools#FluidRepo.createPackageMap | FluidRepo.createPackageMap}
 * for package group (map) creation.
 */
export declare class FluidBuildDatabase {
    private readonly outputSource;
    private readonly packageBuildScripts;
    /**
     * Find build scripts in dependencies that match given scripts module type
     *
     * @param packageGroup - map (cache) of packageName's related packages
     * @param packageName - package name
     * @param script - packages script name
     * @param ignorePackage - optional filter function to ignore select packages
     * @returns Array of groups of possible predecessor tasks
     */
    getPossiblePredecessorTasks(packageGroup: ReadonlyMap<PackageName, Package>, packageName: PackageName, script: Script, ignorePackage?: (packageInfo: {
        name: string;
        version: string;
    }) => boolean): BuildScript[][];
    /**
     * Exact set of predecessor tasks that build given inputs.
     *
     * @param packageGroup - map (cache) of packageName's related packages
     * @param packageName - package name
     * @param requiredInputs - absolute file paths required
     * @returns Set of predecessor tasks
     */
    getPredecessorTasks(packageGroup: ReadonlyMap<PackageName, Package>, packageName: PackageName, requiredInputs: AbsoluteFilePath[]): Set<BuildScript>;
    private loadPackageAndDependencies;
}
export {};
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