/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.dev/license
 */
/**
 * Allows disabling of code mangling when the `NG_BUILD_MANGLE` environment variable is set to `0` or `false`.
 * This is useful for debugging build output.
 */
export declare const allowMangle: boolean;
/**
 * Allows beautification of build output when the `NG_BUILD_DEBUG_OPTIMIZE` environment variable is enabled.
 * This is useful for debugging build output.
 */
export declare const shouldBeautify: boolean;
/**
 * Allows disabling of code minification when the `NG_BUILD_DEBUG_OPTIMIZE` environment variable is enabled.
 * This is useful for debugging build output.
 */
export declare const allowMinify: boolean;
/**
 * Allows using Rolldown for chunk optimization instead of Rollup.
 * This is useful for debugging and testing scenarios.
 */
export declare const useRolldownChunks: boolean;
/**
 * Whether the maximum number of workers was explicitly configured via the
 * `NG_BUILD_MAX_WORKERS` environment variable.
 */
export declare const hasCustomMaxWorkers: boolean;
/**
 * The maximum number of workers to use for parallel processing.
 * This can be controlled by the `NG_BUILD_MAX_WORKERS` environment variable.
 * When not set, defaults to available parallelism minus one to ensure the main thread is not starved.
 */
export declare const maxWorkers: number;
/**
 * The maximum number of workers to use for JavaScript transformations during bundling.
 * Transformation tasks are short-lived, and esbuild concurrently utilizes all CPU cores
 * for bundling. To prevent CPU starvation and thread startup overhead, concurrency is
 * budgeted to a fraction of available cores, capped at 6, unless overridden by
 * `NG_BUILD_MAX_WORKERS`.
 */
export declare const maxTransformWorkers: number;
/**
 * The maximum number of workers to use for i18n translation inlining.
 * Translation inlining and sourcemap remapping are CPU- and memory-intensive operations.
 * To prevent thread oversubscription, memory allocator lock contention, and high-core
 * performance degradation, concurrency is capped at 8 unless overridden by
 * `NG_BUILD_MAX_WORKERS`.
 */
export declare const maxInlinerWorkers: number;
/**
 * When `NG_BUILD_PARALLEL_TS` is set to `0` or `false`, parallel TypeScript compilation is disabled.
 */
export declare const useParallelTs: boolean;
/**
 * When `NG_BUILD_DEBUG_PERF` is enabled, performance debugging information is printed.
 */
export declare const debugPerformance: boolean;
/**
 * When `NG_BUILD_WATCH_ROOT` is enabled, the build will watch the root directory for changes.
 */
export declare const shouldWatchRoot: boolean;
/**
 * When `NG_BUILD_TYPE_CHECK` is set to `0` or `false`, type checking is disabled.
 */
export declare const useTypeChecking: boolean;
/**
 * When `NG_BUILD_LOGS_JSON` is enabled, build logs will be output in JSON format.
 */
export declare const useJSONBuildLogs: boolean;
export declare const optimizeChunksThreshold: number;
/**
 * When `NG_HMR_CSTYLES` is enabled, component styles will be hot-reloaded.
 */
export declare const useComponentStyleHmr: boolean;
/**
 * When `NG_HMR_TEMPLATES` is set to `0` or `false`, component templates will not be hot-reloaded.
 */
export declare const useComponentTemplateHmr: boolean;
/**
 * When `NG_BUILD_PARTIAL_SSR` is enabled, a partial server-side rendering build will be performed.
 */
export declare const usePartialSsrBuild: boolean;
/**
 * When `NG_BUILD_BABEL_LINKER` is enabled (`1` or `true`), the Babel-based
 * Angular Linker (`@angular/compiler-cli/linker/babel`) will be used instead of the
 * default OXC in-place linker.
 */
export declare const useBabelLinker: boolean;
/**
 * When `NG_BUILD_SASS_EMBEDDED` is set to `0` or `false`, or when running within a
 * WebContainer environment, the native embedded Sass compiler is disabled
 * and the pure-JavaScript Sass compiler is used instead.
 */
export declare const useSassEmbedded: boolean;
export declare const bazelEsbuildPluginPath: string | undefined;
/**
 * The persistent cache store configuration to use.
 * Managed by the `NG_BUILD_CACHE_STORE` environment variable.
 * - 'lmdb': Forces the use of LMDB.
 * - 'sqlite': Forces the use of SQLite.
 * - undefined / 'auto' / other: Automatically uses LMDB and falls back to SQLite.
 */
export declare const persistentCacheStoreSetting: string | undefined;