import type webpack from 'webpack';
import type { Terminal as _Terminal } from '@rushstack/terminal';
import type webpackPlugin from '@rushstack/heft-webpack5-plugin';
import type { IExternalProject, IReferencedProjectMap, CumulativeManifestProcessor as _CumulativeManifestProcessor } from '@microsoft/spfx-heft-plugins';
/**
 * Discovers and configures linked SharePoint Framework external dependencies.
 *
 * This function scans the project structure to find linked SPFx projects and their manifests,
 * then creates the necessary configuration for webpack externals. It processes referenced
 * projects to extract external dependencies that should not be bundled but loaded at runtime.
 *
 * @param terminal - Terminal instance for logging output during manifest discovery
 * @param rootPath - Root path of the project to scan for manifests
 *
 * @returns An object containing:
 * - `referencedProjects`: Map of discovered project manifests organized by ID and version
 * - `cumulativeManifestProcessor`: Processor instance for handling manifest operations
 * - `linkedExternals`: Map of external package names to their project metadata
 * - `externals`: Set of external package names for webpack configuration
 *
 * @example
 * ```typescript
 * const { linkedExternals, externals } = getLinkedSPFxExternals(terminal, __dirname);
 * // linkedExternals: Map { '@my/package' => { id: 'abc123', name: '@my/package', version: '1.0.0' } }
 * // externals: Set { '@my/package', '@another/package' }
 * ```
 */
export declare function getLinkedSPFxExternals(terminal: _Terminal, rootPath: string): {
    referencedProjects: IReferencedProjectMap;
    cumulativeManifestProcessor: _CumulativeManifestProcessor;
    linkedExternals: Map<string, IExternalProject>;
    externals: webpack.Configuration['externals'];
};
export declare function getSPFxWebpackConfig({ production }: webpackPlugin.IWebpackConfigurationFnEnvironment): {
    terminal: _Terminal;
    plugins: webpack.WebpackPluginInstance[];
    entry: webpack.Configuration['entry'];
    alias: webpack.ResolveOptions['alias'];
    externals: webpack.Configuration['externals'];
};
/**
 * Generates a SharePoint Framework (SPFx) webpack configuration for building web parts and extensions.
 *
 * This function creates a specialized webpack configuration tailored for SPFx development that:
 * - Configures AMD module output format required by SharePoint's module loader
 * - Integrates SPFx-specific plugins for manifest generation and localization
 * - Sets up TypeScript compilation with transpile-only mode for faster builds
 * - Handles localization (.resjson) files for internationalization support
 * - Configures SCSS/CSS processing with Sass support and node_modules resolution
 * - Sets up asset handling for images, fonts, and media files
 * - Manages external dependencies and linked SPFx projects
 * - Configures webpack resolve aliases for localization strings
 *
 * The configuration differs from standard React/web apps by:
 * - Using AMD instead of CommonJS/ESM module format
 * - Including SharePoint manifest generation
 * - Supporting SPFx localization patterns
 * - Handling linked SPFx project externals
 * - Using SPFx-specific file naming conventions with locale and content hash
 *
 * @param env - Webpack configuration environment containing production flag and other build settings
 * @returns Complete webpack configuration object ready for SPFx component building
 *
 * @example
 * ```typescript
 * // Used by webpack to build SPFx components
 * const config = generateConfig({ production: true });
 * // Results in AMD modules loadable by SharePoint with proper manifests
 * ```
 */
export default function generateConfig(env: webpackPlugin.IWebpackConfigurationFnEnvironment): webpack.Configuration;
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