@microsoft/api-extractor/dist/rollup.d.ts

/**
 * API Extractor helps with validation, documentation, and reviewing of the exported API for a TypeScript library.
 * The `@microsoft/api-extractor` package provides the command-line tool.  It also exposes a developer API that you
 * can use to invoke API Extractor programmatically.
 *
 * @packageDocumentation
 */

import { EnumMemberOrder } from '@microsoft/api-extractor-model';
import { INodePackageJson } from '@rushstack/node-core-library';
import { IRigConfig } from '@rushstack/rig-package';
import { JsonSchema } from '@rushstack/node-core-library';
import { NewlineKind } from '@rushstack/node-core-library';
import { PackageJsonLookup } from '@rushstack/node-core-library';
import type * as tsdoc from '@microsoft/tsdoc';
import { TSDocConfigFile } from '@microsoft/tsdoc-config';
import { TSDocConfiguration } from '@microsoft/tsdoc';

/**
 * The allowed variations of API reports.
 *
 * @public
 */
export declare type ApiReportVariant = 'public' | 'beta' | 'alpha' | 'complete';

/**
 * This class represents the TypeScript compiler state.  This allows an optimization where multiple invocations
 * of API Extractor can reuse the same TypeScript compiler analysis.
 *
 * @public
 */
export declare class CompilerState {
    /**
     * The TypeScript compiler's `Program` object, which represents a complete scope of analysis.
     */
    readonly program: unknown;
    private constructor();
    /**
     * Create a compiler state for use with the specified `IExtractorInvokeOptions`.
     */
    static create(extractorConfig: ExtractorConfig, options?: ICompilerStateCreateOptions): CompilerState;
    /**
     * Given a list of absolute file paths, return a list containing only the declaration
     * files.  Duplicates are also eliminated.
     *
     * @remarks
     * The tsconfig.json settings specify the compiler's input (a set of *.ts source files,
     * plus some *.d.ts declaration files used for legacy typings).  However API Extractor
     * analyzes the compiler's output (a set of *.d.ts entry point files, plus any legacy
     * typings).  This requires API Extractor to generate a special file list when it invokes
     * the compiler.
     *
     * Duplicates are removed so that entry points can be appended without worrying whether they
     * may already appear in the tsconfig.json file list.
     */
    private static _generateFilePathsForAnalysis;
    private static _createCompilerHost;
}

/**
 * Unique identifiers for console messages reported by API Extractor.
 *
 * @remarks
 *
 * These strings are possible values for the {@link ExtractorMessage.messageId} property
 * when the `ExtractorMessage.category` is {@link ExtractorMessageCategory.Console}.
 *
 * @public
 */
export declare enum ConsoleMessageId {
    /**
     * "Analysis will use the bundled TypeScript version ___"
     */
    Preamble = "console-preamble",
    /**
     * "The target project appears to use TypeScript ___ which is newer than the bundled compiler engine;
     * consider upgrading API Extractor."
     */
    CompilerVersionNotice = "console-compiler-version-notice",
    /**
     * "Using custom TSDoc config from ___"
     */
    UsingCustomTSDocConfig = "console-using-custom-tsdoc-config",
    /**
     * "Found metadata in ___"
     */
    FoundTSDocMetadata = "console-found-tsdoc-metadata",
    /**
     * "Writing: ___"
     */
    WritingDocModelFile = "console-writing-doc-model-file",
    /**
     * "Writing package typings: ___"
     */
    WritingDtsRollup = "console-writing-dts-rollup",
    /**
     * "Generating ___ API report: ___"
     */
    WritingApiReport = "console-writing-api-report",
    /**
     * "You have changed the public API signature for this project.
     * Please copy the file ___ to ___, or perform a local build (which does this automatically).
     * See the Git repo documentation for more info."
     *
     * OR
     *
     * "The API report file is missing.
     * Please copy the file ___ to ___, or perform a local build (which does this automatically).
     * See the Git repo documentation for more info."
     */
    ApiReportNotCopied = "console-api-report-not-copied",
    /**
     * "You have changed the public API signature for this project.  Updating ___"
     */
    ApiReportCopied = "console-api-report-copied",
    /**
     * "The API report is up to date: ___"
     */
    ApiReportUnchanged = "console-api-report-unchanged",
    /**
     * "The API report file was missing, so a new file was created. Please add this file to Git: ___"
     */
    ApiReportCreated = "console-api-report-created",
    /**
     * "Unable to create the API report file. Please make sure the target folder exists: ___"
     */
    ApiReportFolderMissing = "console-api-report-folder-missing",
    /**
     * Used for the information printed when the "--diagnostics" flag is enabled.
     */
    Diagnostics = "console-diagnostics"
}

/**
 * The starting point for invoking the API Extractor tool.
 * @public
 */
export declare class Extractor {
    /**
     * Returns the version number of the API Extractor NPM package.
     */
    static get version(): string;
    /**
     * Returns the package name of the API Extractor NPM package.
     */
    static get packageName(): string;
    private static _getPackageJson;
    /**
     * Load the api-extractor.json config file from the specified path, and then invoke API Extractor.
     */
    static loadConfigAndInvoke(configFilePath: string, options?: IExtractorInvokeOptions): ExtractorResult;
    /**
     * Invoke API Extractor using an already prepared `ExtractorConfig` object.
     */
    static invoke(extractorConfig: ExtractorConfig, options?: IExtractorInvokeOptions): ExtractorResult;
    /**
     * Generates the API report at the specified release level, writes it to the specified file path, and compares
     * the output to the existing report (if one exists).
     *
     * @param reportTempDirectoryPath - The path to the directory under which the temp report file will be written prior
     * to comparison with an existing report.
     * @param reportDirectoryPath - The path to the directory under which the existing report file is located, and to
     * which the new report will be written post-comparison.
     * @param reportConfig - API report configuration, including its file name and {@link ApiReportVariant}.
     *
     * @returns Whether or not the newly generated report differs from the existing report (if one exists).
     */
    private static _writeApiReport;
    private static _checkCompilerCompatibility;
    private static _generateRollupDtsFile;
}

/**
 * The `ExtractorConfig` class loads, validates, interprets, and represents the api-extractor.json config file.
 * @sealed
 * @public
 */
export declare class ExtractorConfig {
    /**
     * The JSON Schema for API Extractor config file (api-extractor.schema.json).
     */
    static readonly jsonSchema: JsonSchema;
    /**
     * The config file name "api-extractor.json".
     */
    static readonly FILENAME: 'api-extractor.json';
    /**
     * The full path to `extends/tsdoc-base.json` which contains the standard TSDoc configuration
     * for API Extractor.
     * @internal
     */
    static readonly _tsdocBaseFilePath: string;
    private static readonly _defaultConfig;
    /** Match all three flavors for type declaration files (.d.ts, .d.mts, .d.cts) */
    private static readonly _declarationFileExtensionRegExp;
    /** {@inheritDoc IConfigFile.projectFolder} */
    readonly projectFolder: string;
    /**
     * The parsed package.json file for the working package, or undefined if API Extractor was invoked without
     * a package.json file.
     */
    readonly packageJson: INodePackageJson | undefined;
    /**
     * The absolute path of the folder containing the package.json file for the working package, or undefined
     * if API Extractor was invoked without a package.json file.
     */
    readonly packageFolder: string | undefined;
    /** {@inheritDoc IConfigFile.mainEntryPointFilePath} */
    readonly mainEntryPointFilePath: string;
    /** {@inheritDoc IConfigFile.bundledPackages} */
    readonly bundledPackages: string[];
    /** {@inheritDoc IConfigCompiler.tsconfigFilePath} */
    readonly tsconfigFilePath: string;
    /** {@inheritDoc IConfigCompiler.overrideTsconfig} */
    readonly overrideTsconfig: {} | undefined;
    /** {@inheritDoc IConfigCompiler.skipLibCheck} */
    readonly skipLibCheck: boolean;
    /** {@inheritDoc IConfigApiReport.enabled} */
    readonly apiReportEnabled: boolean;
    /**
     * List of configurations for report files to be generated.
     * @remarks Derived from {@link IConfigApiReport.reportFileName} and {@link IConfigApiReport.reportVariants}.
     */
    readonly reportConfigs: readonly IExtractorConfigApiReport[];
    /** {@inheritDoc IConfigApiReport.reportFolder} */
    readonly reportFolder: string;
    /** {@inheritDoc IConfigApiReport.reportTempFolder} */
    readonly reportTempFolder: string;
    /**
     * Gets the file path for the "complete" (default) report configuration, if one was specified.
     * Otherwise, returns an empty string.
     * @deprecated Use {@link ExtractorConfig.reportConfigs} to access all report configurations.
     */
    get reportFilePath(): string;
    /**
     * Gets the temp file path for the "complete" (default) report configuration, if one was specified.
     * Otherwise, returns an empty string.
     * @deprecated Use {@link ExtractorConfig.reportConfigs} to access all report configurations.
     */
    get reportTempFilePath(): string;
    /** {@inheritDoc IConfigApiReport.includeForgottenExports} */
    readonly apiReportIncludeForgottenExports: boolean;
    /** {@inheritDoc IConfigDocModel.enabled} */
    readonly docModelEnabled: boolean;
    /** {@inheritDoc IConfigDocModel.apiJsonFilePath} */
    readonly apiJsonFilePath: string;
    /** {@inheritDoc IConfigDocModel.includeForgottenExports} */
    readonly docModelIncludeForgottenExports: boolean;
    /** {@inheritDoc IConfigDocModel.projectFolderUrl} */
    readonly projectFolderUrl: string | undefined;
    /** {@inheritDoc IConfigDtsRollup.enabled} */
    readonly rollupEnabled: boolean;
    /** {@inheritDoc IConfigDtsRollup.untrimmedFilePath} */
    readonly untrimmedFilePath: string;
    /** {@inheritDoc IConfigDtsRollup.alphaTrimmedFilePath} */
    readonly alphaTrimmedFilePath: string;
    /** {@inheritDoc IConfigDtsRollup.betaTrimmedFilePath} */
    readonly betaTrimmedFilePath: string;
    /** {@inheritDoc IConfigDtsRollup.publicTrimmedFilePath} */
    readonly publicTrimmedFilePath: string;
    /** {@inheritDoc IConfigDtsRollup.omitTrimmingComments} */
    readonly omitTrimmingComments: boolean;
    /** {@inheritDoc IConfigTsdocMetadata.enabled} */
    readonly tsdocMetadataEnabled: boolean;
    /** {@inheritDoc IConfigTsdocMetadata.tsdocMetadataFilePath} */
    readonly tsdocMetadataFilePath: string;
    /**
     * The tsdoc.json configuration that will be used when parsing doc comments.
     */
    readonly tsdocConfigFile: TSDocConfigFile;
    /**
     * The `TSDocConfiguration` loaded from {@link ExtractorConfig.tsdocConfigFile}.
     */
    readonly tsdocConfiguration: TSDocConfiguration;
    /**
     * Specifies what type of newlines API Extractor should use when writing output files.  By default, the output files
     * will be written with Windows-style newlines.
     */
    readonly newlineKind: NewlineKind;
    /** {@inheritDoc IConfigFile.messages} */
    readonly messages: IExtractorMessagesConfig;
    /** {@inheritDoc IConfigFile.testMode} */
    readonly testMode: boolean;
    /** {@inheritDoc IConfigFile.enumMemberOrder} */
    readonly enumMemberOrder: EnumMemberOrder;
    private constructor();
    /**
     * Returns a JSON-like string representing the `ExtractorConfig` state, which can be printed to a console
     * for diagnostic purposes.
     *
     * @remarks
     * This is used by the "--diagnostics" command-line option.  The string is not intended to be deserialized;
     * its format may be changed at any time.
     */
    getDiagnosticDump(): string;
    /**
     * Returns a simplified file path for use in error messages.
     * @internal
     */
    _getShortFilePath(absolutePath: string): string;
    /**
     * Searches for the api-extractor.json config file associated with the specified starting folder,
     * and loads the file if found.  This lookup supports
     * {@link https://www.npmjs.com/package/@rushstack/rig-package | rig packages}.
     *
     * @remarks
     * The search will first look for a package.json file in a parent folder of the starting folder;
     * if found, that will be used as the base folder instead of the starting folder.  If the config
     * file is not found in `<baseFolder>/api-extractor.json` or `<baseFolder>/config/api-extractor.json`,
     * then `<baseFolder/config/rig.json` will be checked to see whether a
     * {@link https://www.npmjs.com/package/@rushstack/rig-package | rig package} is referenced; if so then
     * the rig's api-extractor.json file will be used instead.  If a config file is found, it will be loaded
     * and returned with the `IExtractorConfigPrepareOptions` object. Otherwise, `undefined` is returned
     * to indicate that API Extractor does not appear to be configured for the specified folder.
     *
     * @returns An options object that can be passed to {@link ExtractorConfig.prepare}, or `undefined`
     * if not api-extractor.json file was found.
     */
    static tryLoadForFolder(options: IExtractorConfigLoadForFolderOptions): IExtractorConfigPrepareOptions | undefined;
    /**
     * Loads the api-extractor.json config file from the specified file path, and prepares an `ExtractorConfig` object.
     *
     * @remarks
     * Loads the api-extractor.json config file from the specified file path.   If the "extends" field is present,
     * the referenced file(s) will be merged.  For any omitted fields, the API Extractor default values are merged.
     *
     * The result is prepared using `ExtractorConfig.prepare()`.
     */
    static loadFileAndPrepare(configJsonFilePath: string): ExtractorConfig;
    /**
     * Performs only the first half of {@link ExtractorConfig.loadFileAndPrepare}, providing an opportunity to
     * modify the object before it is passed to {@link ExtractorConfig.prepare}.
     *
     * @remarks
     * Loads the api-extractor.json config file from the specified file path.   If the "extends" field is present,
     * the referenced file(s) will be merged.  For any omitted fields, the API Extractor default values are merged.
     */
    static loadFile(jsonFilePath: string): IConfigFile;
    private static _resolveConfigFileRelativePaths;
    private static _resolveConfigFileRelativePath;
    /**
     * Prepares an `ExtractorConfig` object using a configuration that is provided as a runtime object,
     * rather than reading it from disk.  This allows configurations to be constructed programmatically,
     * loaded from an alternate source, and/or customized after loading.
     */
    static prepare(options: IExtractorConfigPrepareOptions): ExtractorConfig;
    /**
     * Gets the report configuration for the "complete" (default) report configuration, if one was specified.
     */
    private _getCompleteReportConfig;
    private static _resolvePathWithTokens;
    private static _expandStringWithTokens;
    /**
     * Returns true if the specified file path has the ".d.ts" file extension.
     */
    static hasDtsFileExtension(filePath: string): boolean;
    /**
     * Given a path string that may have originally contained expandable tokens such as `<projectFolder>"`
     * this reports an error if any token-looking substrings remain after expansion (e.g. `c:\blah\<invalid>\blah`).
     */
    private static _rejectAnyTokensInPath;
}

/**
 * Used with {@link IConfigMessageReportingRule.logLevel} and {@link IExtractorInvokeOptions.messageCallback}.
 *
 * @remarks
 * This is part of the {@link IConfigFile} structure.
 *
 * @public
 */
export declare enum ExtractorLogLevel {
    /**
     * The message will be displayed as an error.
     *
     * @remarks
     * Errors typically cause the build to fail and return a nonzero exit code.
     */
    Error = "error",
    /**
     * The message will be displayed as an warning.
     *
     * @remarks
     * Warnings typically cause a production build fail and return a nonzero exit code.  For a non-production build
     * (e.g. using the `--local` option with `api-extractor run`), the warning is displayed but the build will not fail.
     */
    Warning = "warning",
    /**
     * The message will be displayed as an informational message.
     *
     * @remarks
     * Informational messages may contain newlines to ensure nice formatting of the output,
     * however word-wrapping is the responsibility of the message handler.
     */
    Info = "info",
    /**
     * The message will be displayed only when "verbose" output is requested, e.g. using the `--verbose`
     * command line option.
     */
    Verbose = "verbose",
    /**
     * The message will be discarded entirely.
     */
    None = "none"
}

/**
 * This object is used to report an error or warning that occurred during API Extractor's analysis.
 *
 * @public
 */
export declare class ExtractorMessage {
    private _handled;
    private _logLevel;
    /**
     * The category of issue.
     */
    readonly category: ExtractorMessageCategory;
    /**
     * A text string that uniquely identifies the issue type.  This identifier can be used to suppress
     * or configure the reporting of issues, and also to search for help about an issue.
     */
    readonly messageId: tsdoc.TSDocMessageId | ExtractorMessageId | ConsoleMessageId | string;
    /**
     * The text description of this issue.
     */
    readonly text: string;
    /**
     * The absolute path to the affected input source file, if there is one.
     */
    readonly sourceFilePath: string | undefined;
    /**
     * The line number where the issue occurred in the input source file.  This is not used if `sourceFilePath`
     * is undefined.  The first line number is 1.
     */
    readonly sourceFileLine: number | undefined;
    /**
     * The column number where the issue occurred in the input source file.  This is not used if `sourceFilePath`
     * is undefined.  The first column number is 1.
     */
    readonly sourceFileColumn: number | undefined;
    /**
     * Additional contextual information about the message that may be useful when reporting errors.
     * All properties are optional.
     */
    readonly properties: IExtractorMessageProperties;
    /** @internal */
    constructor(options: IExtractorMessageOptions);
    /**
     * If the {@link IExtractorInvokeOptions.messageCallback} sets this property to true, it will prevent the message
     * from being displayed by API Extractor.
     *
     * @remarks
     * If the `messageCallback` routes the message to a custom handler (e.g. a toolchain logger), it should
     * assign `handled = true` to prevent API Extractor from displaying it.  Assigning `handled = true` for all messages
     * would effectively disable all console output from the `Extractor` API.
     *
     * If `handled` is set to true, the message will still be included in the count of errors/warnings;
     * to discard a message entirely, instead assign `logLevel = none`.
     */
    get handled(): boolean;
    set handled(value: boolean);
    /**
     * Specifies how the message should be reported.
     *
     * @remarks
     * If the {@link IExtractorInvokeOptions.messageCallback} handles the message (i.e. sets `handled = true`),
     * it can use the `logLevel` to determine how to display the message.
     *
     * Alternatively, if API Extractor is handling the message, the `messageCallback` could assign `logLevel` to change
     * how it will be processed.  However, in general the recommended practice is to configure message routing
     * using the `messages` section in api-extractor.json.
     *
     * To discard a message entirely, assign `logLevel = none`.
     */
    get logLevel(): ExtractorLogLevel;
    set logLevel(value: ExtractorLogLevel);
    /**
     * Returns the message formatted with its identifier and file position.
     * @remarks
     * Example:
     * ```
     * src/folder/File.ts:123:4 - (ae-extra-release-tag) The doc comment should not contain more than one release tag.
     * ```
     */
    formatMessageWithLocation(workingPackageFolderPath: string | undefined): string;
    formatMessageWithoutLocation(): string;
}

/**
 * Specifies a category of messages for use with {@link ExtractorMessage}.
 * @public
 */
export declare enum ExtractorMessageCategory {
    /**
     * Messages originating from the TypeScript compiler.
     *
     * @remarks
     * These strings begin with the prefix "TS" and have a numeric error code.
     * Example: `TS2551`
     */
    Compiler = "Compiler",
    /**
     * Messages related to parsing of TSDoc comments.
     *
     * @remarks
     * These strings begin with the prefix "tsdoc-".
     * Example: `tsdoc-link-tag-unescaped-text`
     */
    TSDoc = "TSDoc",
    /**
     * Messages related to API Extractor's analysis.
     *
     * @remarks
     * These strings begin with the prefix "ae-".
     * Example: `ae-extra-release-tag`
     */
    Extractor = "Extractor",
    /**
     * Console messages communicate the progress of the overall operation.  They may include newlines to ensure
     * nice formatting.  They are output in real time, and cannot be routed to the API Report file.
     *
     * @remarks
     * These strings begin with the prefix "console-".
     * Example: `console-writing-typings-file`
     */
    Console = "console"
}

/**
 * Unique identifiers for messages reported by API Extractor during its analysis.
 *
 * @remarks
 *
 * These strings are possible values for the {@link ExtractorMessage.messageId} property
 * when the `ExtractorMessage.category` is {@link ExtractorMessageCategory.Extractor}.
 *
 * @public
 */
export declare enum ExtractorMessageId {
    /**
     * "The doc comment should not contain more than one release tag."
     */
    ExtraReleaseTag = "ae-extra-release-tag",
    /**
     * "Missing documentation for ___."
     * @remarks
     * The `ae-undocumented` message is only generated if the API report feature is enabled.
     *
     * Because the API report file already annotates undocumented items with `// (undocumented)`,
     * the `ae-undocumented` message is not logged by default.  To see it, add a setting such as:
     * ```json
     * "messages": {
     *   "extractorMessageReporting": {
     *     "ae-undocumented": {
     *       "logLevel": "warning"
     *     }
     *   }
     *  }
     * ```
     */
    Undocumented = "ae-undocumented",
    /**
     * "This symbol has another declaration with a different release tag."
     */
    DifferentReleaseTags = "ae-different-release-tags",
    /**
     * "The symbol ___ is marked as ___, but its signature references ___ which is marked as ___."
     */
    IncompatibleReleaseTags = "ae-incompatible-release-tags",
    /**
     * "___ is part of the package's API, but it is missing a release tag (`@alpha`, `@beta`, `@public`, or `@internal`)."
     */
    MissingReleaseTag = "ae-missing-release-tag",
    /**
     * "The `@packageDocumentation` comment must appear at the top of entry point *.d.ts file."
     */
    MisplacedPackageTag = "ae-misplaced-package-tag",
    /**
     * "The symbol ___ needs to be exported by the entry point ___."
     */
    ForgottenExport = "ae-forgotten-export",
    /**
     * "The name ___ should be prefixed with an underscore because the declaration is marked as `@internal`."
     */
    InternalMissingUnderscore = "ae-internal-missing-underscore",
    /**
     * "Mixed release tags are not allowed for ___ because one of its declarations is marked as `@internal`."
     */
    InternalMixedReleaseTag = "ae-internal-mixed-release-tag",
    /**
     * "The `@preapproved` tag cannot be applied to ___ because it is not a supported declaration type."
     */
    PreapprovedUnsupportedType = "ae-preapproved-unsupported-type",
    /**
     * "The `@preapproved` tag cannot be applied to ___ without an `@internal` release tag."
     */
    PreapprovedBadReleaseTag = "ae-preapproved-bad-release-tag",
    /**
     * "The `@inheritDoc` reference could not be resolved."
     */
    UnresolvedInheritDocReference = "ae-unresolved-inheritdoc-reference",
    /**
     * "The `@inheritDoc` tag needs a TSDoc declaration reference; signature matching is not supported yet."
     *
     * @privateRemarks
     * In the future, we will implement signature matching so that you can write `{@inheritDoc}` and API Extractor
     * will find a corresponding member from a base class (or implemented interface).  Until then, the tag
     * always needs an explicit declaration reference such as `{@inhertDoc MyBaseClass.sameMethod}`.
     */
    UnresolvedInheritDocBase = "ae-unresolved-inheritdoc-base",
    /**
     * "The `@inheritDoc` tag for ___ refers to its own declaration."
     */
    CyclicInheritDoc = "ae-cyclic-inherit-doc",
    /**
     * "The `@link` reference could not be resolved."
     */
    UnresolvedLink = "ae-unresolved-link",
    /**
     * "The doc comment for the property ___ must appear on the getter, not the setter."
     */
    SetterWithDocs = "ae-setter-with-docs",
    /**
     * "The property ___ has a setter but no getter."
     */
    MissingGetter = "ae-missing-getter",
    /**
     * "Incorrect file type; API Extractor expects to analyze compiler outputs with the .d.ts file extension.
     * Troubleshooting tips: `https://api-extractor.com/link/dts-error`"
     */
    WrongInputFileType = "ae-wrong-input-file-type"
}

/**
 * This object represents the outcome of an invocation of API Extractor.
 *
 * @public
 */
export declare class ExtractorResult {
    /**
     * The TypeScript compiler state that was used.
     */
    readonly compilerState: CompilerState;
    /**
     * The API Extractor configuration that was used.
     */
    readonly extractorConfig: ExtractorConfig;
    /**
     * Whether the invocation of API Extractor was successful.  For example, if `succeeded` is false, then the build task
     * would normally return a nonzero process exit code, indicating that the operation failed.
     *
     * @remarks
     *
     * Normally the operation "succeeds" if `errorCount` and `warningCount` are both zero.  However if
     * {@link IExtractorInvokeOptions.localBuild} is `true`, then the operation "succeeds" if `errorCount` is zero
     * (i.e. warnings are ignored).
     */
    readonly succeeded: boolean;
    /**
     * Returns true if the API report was found to have changed.
     */
    readonly apiReportChanged: boolean;
    /**
     * Reports the number of errors encountered during analysis.
     *
     * @remarks
     * This does not count exceptions, where unexpected issues prematurely abort the operation.
     */
    readonly errorCount: number;
    /**
     * Reports the number of warnings encountered during analysis.
     *
     * @remarks
     * This does not count warnings that are emitted in the API report file.
     */
    readonly warningCount: number;
    /** @internal */
    constructor(properties: ExtractorResult);
}

/**
 * Options for {@link CompilerState.create}
 * @public
 */
export declare interface ICompilerStateCreateOptions {
    /** {@inheritDoc IExtractorInvokeOptions.typescriptCompilerFolder} */
    typescriptCompilerFolder?: string;
    /**
     * Additional .d.ts files to include in the analysis.
     */
    additionalEntryPoints?: string[];
}

/**
 * Configures how the API report files (*.api.md) will be generated.
 *
 * @remarks
 * This is part of the {@link IConfigFile} structure.
 *
 * @public
 */
export declare interface IConfigApiReport {
    /**
     * Whether to generate an API report.
     */
    enabled: boolean;
    /**
     * The base filename for the API report files, to be combined with {@link IConfigApiReport.reportFolder} or
     * {@link IConfigApiReport.reportTempFolder} to produce the full file path.
     *
     * @remarks
     * The `reportFileName` should not include any path separators such as `\` or `/`.  The `reportFileName` should
     * not include a file extension, since API Extractor will automatically append an appropriate file extension such
     * as `.api.md`.  If the {@link IConfigApiReport.reportVariants} setting is used, then the file extension includes
     * the variant name, for example `my-report.public.api.md` or `my-report.beta.api.md`. The `complete` variant always
     * uses the simple extension `my-report.api.md`.
     *
     * Previous versions of API Extractor required `reportFileName` to include the `.api.md` extension explicitly;
     * for backwards compatibility, that is still accepted but will be discarded before applying the above rules.
     *
     * @defaultValue `<unscopedPackageName>`
     */
    reportFileName?: string;
    /**
     * The set of report variants to generate.
     *
     * @remarks
     * To support different approval requirements for different API levels, multiple "variants" of the API report can
     * be generated.  The `reportVariants` setting specifies a list of variants to be generated.  If omitted,
     * by default only the `complete` variant will be generated, which includes all `@internal`, `@alpha`, `@beta`,
     * and `@public` items.  Other possible variants are `alpha` (`@alpha` + `@beta` + `@public`),
     * `beta` (`@beta` + `@public`), and `public` (`@public only`).
     *
     * The resulting API report file names will be derived from the {@link IConfigApiReport.reportFileName}.
     *
     * @defaultValue `[ "complete" ]`
     */
    reportVariants?: ApiReportVariant[];
    /**
     * Specifies the folder where the API report file is written.  The file name portion is determined by
     * the `reportFileName` setting.
     *
     * @remarks
     * The API report file is normally tracked by Git.  Changes to it can be used to trigger a branch policy,
     * e.g. for an API review.
     *
     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
     * prepend a folder token such as `<projectFolder>`.
     */
    reportFolder?: string;
    /**
     * Specifies the folder where the temporary report file is written.  The file name portion is determined by
     * the `reportFileName` setting.
     *
     * @remarks
     * After the temporary file is written to disk, it is compared with the file in the `reportFolder`.
     * If they are different, a production build will fail.
     *
     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
     * prepend a folder token such as `<projectFolder>`.
     */
    reportTempFolder?: string;
    /**
     * Whether "forgotten exports" should be included in the API report file.
     *
     * @remarks
     * Forgotten exports are declarations flagged with `ae-forgotten-export` warnings. See
     * https://api-extractor.com/pages/messages/ae-forgotten-export/ to learn more.
     *
     * @defaultValue `false`
     */
    includeForgottenExports?: boolean;
}

/**
 * Determines how the TypeScript compiler engine will be invoked by API Extractor.
 *
 * @remarks
 * This is part of the {@link IConfigFile} structure.
 *
 * @public
 */
export declare interface IConfigCompiler {
    /**
     * Specifies the path to the tsconfig.json file to be used by API Extractor when analyzing the project.
     *
     * @remarks
     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
     * prepend a folder token such as `<projectFolder>`.
     *
     * Note: This setting will be ignored if `overrideTsconfig` is used.
     */
    tsconfigFilePath?: string;
    /**
     * Provides a compiler configuration that will be used instead of reading the tsconfig.json file from disk.
     *
     * @remarks
     * The value must conform to the TypeScript tsconfig schema:
     *
     * http://json.schemastore.org/tsconfig
     *
     * If omitted, then the tsconfig.json file will instead be read from the projectFolder.
     */
    overrideTsconfig?: {};
    /**
     * This option causes the compiler to be invoked with the `--skipLibCheck` option.
     *
     * @remarks
     * This option is not recommended and may cause API Extractor to produce incomplete or incorrect declarations,
     * but it may be required when dependencies contain declarations that are incompatible with the TypeScript engine
     * that API Extractor uses for its analysis.  Where possible, the underlying issue should be fixed rather than
     * relying on skipLibCheck.
     */
    skipLibCheck?: boolean;
}

/**
 * Configures how the doc model file (*.api.json) will be generated.
 *
 * @remarks
 * This is part of the {@link IConfigFile} structure.
 *
 * @public
 */
export declare interface IConfigDocModel {
    /**
     * Whether to generate a doc model file.
     */
    enabled: boolean;
    /**
     * The output path for the doc model file.  The file extension should be ".api.json".
     *
     * @remarks
     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
     * prepend a folder token such as `<projectFolder>`.
     */
    apiJsonFilePath?: string;
    /**
     * Whether "forgotten exports" should be included in the doc model file.
     *
     * @remarks
     * Forgotten exports are declarations flagged with `ae-forgotten-export` warnings. See
     * https://api-extractor.com/pages/messages/ae-forgotten-export/ to learn more.
     *
     * @defaultValue `false`
     */
    includeForgottenExports?: boolean;
    /**
     * The base URL where the project's source code can be viewed on a website such as GitHub or
     * Azure DevOps. This URL path corresponds to the `<projectFolder>` path on disk.
     *
     * @remarks
     * This URL is concatenated with the file paths serialized to the doc model to produce URL file paths to individual API items.
     * For example, if the `projectFolderUrl` is "https://github.com/microsoft/rushstack/tree/main/apps/api-extractor" and an API
     * item's file path is "api/ExtractorConfig.ts", the full URL file path would be
     * "https://github.com/microsoft/rushstack/tree/main/apps/api-extractor/api/ExtractorConfig.js".
     *
     * Can be omitted if you don't need source code links in your API documentation reference.
     */
    projectFolderUrl?: string;
}

/**
 * Configures how the .d.ts rollup file will be generated.
 *
 * @remarks
 * This is part of the {@link IConfigFile} structure.
 *
 * @public
 */
export declare interface IConfigDtsRollup {
    /**
     * Whether to generate the .d.ts rollup file.
     */
    enabled: boolean;
    /**
     * Specifies the output path for a .d.ts rollup file to be generated without any trimming.
     *
     * @remarks
     * This file will include all declarations that are exported by the main entry point.
     *
     * If the path is an empty string, then this file will not be written.
     *
     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
     * prepend a folder token such as `<projectFolder>`.
     */
    untrimmedFilePath?: string;
    /**
     * Specifies the output path for a .d.ts rollup file to be generated with trimming for an "alpha" release.
     *
     * @remarks
     * This file will include only declarations that are marked as `@public`, `@beta`, or `@alpha`.
     *
     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
     * prepend a folder token such as `<projectFolder>`.
     */
    alphaTrimmedFilePath?: string;
    /**
     * Specifies the output path for a .d.ts rollup file to be generated with trimming for a "beta" release.
     *
     * @remarks
     * This file will include only declarations that are marked as `@public` or `@beta`.
     *
     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
     * prepend a folder token such as `<projectFolder>`.
     */
    betaTrimmedFilePath?: string;
    /**
     * Specifies the output path for a .d.ts rollup file to be generated with trimming for a "public" release.
     *
     * @remarks
     * This file will include only declarations that are marked as `@public`.
     *
     * If the path is an empty string, then this file will not be written.
     *
     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
     * prepend a folder token such as `<projectFolder>`.
     */
    publicTrimmedFilePath?: string;
    /**
     * When a declaration is trimmed, by default it will be replaced by a code comment such as
     * "Excluded from this release type: exampleMember".  Set "omitTrimmingComments" to true to remove the
     * declaration completely.
     */
    omitTrimmingComments?: boolean;
}

/**
 * Configuration options for the API Extractor tool.  These options can be constructed programmatically
 * or loaded from the api-extractor.json config file using the {@link ExtractorConfig} class.
 *
 * @public
 */
export declare interface IConfigFile {
    /**
     * Optionally specifies another JSON config file that this file extends from.  This provides a way for
     * standard settings to be shared across multiple projects.
     *
     * @remarks
     * If the path starts with `./` or `../`, the path is resolved relative to the folder of the file that contains
     * the `extends` field.  Otherwise, the first path segment is interpreted as an NPM package name, and will be
     * resolved using NodeJS `require()`.
     */
    extends?: string;
    /**
     * Determines the `<projectFolder>` token that can be used with other config file settings.  The project folder
     * typically contains the tsconfig.json and package.json config files, but the path is user-defined.
     *
     * @remarks
     *
     * The path is resolved relative to the folder of the config file that contains the setting.
     *
     * The default value for `projectFolder` is the token `<lookup>`, which means the folder is determined using
     * the following heuristics:
     *
     * If the config/rig.json system is used (as defined by {@link https://www.npmjs.com/package/@rushstack/rig-package
     * | @rushstack/rig-package}), then the `<lookup>` value will be the package folder that referenced the rig.
     *
     * Otherwise, the `<lookup>` value is determined by traversing parent folders, starting from the folder containing
     * api-extractor.json, and stopping at the first folder that contains a tsconfig.json file.  If a tsconfig.json file
     * cannot be found in this way, then an error will be reported.
     */
    projectFolder?: string;
    /**
     * Specifies the .d.ts file to be used as the starting point for analysis.  API Extractor
     * analyzes the symbols exported by this module.
     *
     * @remarks
     *
     * The file extension must be ".d.ts" and not ".ts".
     * The path is resolved relative to the "projectFolder" location.
     */
    mainEntryPointFilePath: string;
    /**
     * A list of NPM package names whose exports should be treated as part of this package.
     *
     * @remarks
     * Also supports glob patterns.
     * Note: glob patterns will **only** be resolved against dependencies listed in the project's package.json file.
     *
     * * This is both a safety and a performance precaution.
     *
     * Exact package names will be applied against any dependency encountered while walking the type graph, regardless of
     * dependencies listed in the package.json.
     *
     * @example
     *
     * Suppose that Webpack is used to generate a distributed bundle for the project `library1`,
     * and another NPM package `library2` is embedded in this bundle.  Some types from `library2` may become part
     * of the exported API for `library1`, but by default API Extractor would generate a .d.ts rollup that explicitly
     * imports `library2`.  To avoid this, we can specify:
     *
     * ```js
     *   "bundledPackages": [ "library2" ],
     * ```
     *
     * This would direct API Extractor to embed those types directly in the .d.ts rollup, as if they had been
     * local files for `library1`.
     */
    bundledPackages?: string[];
    /**
     * Specifies what type of newlines API Extractor should use when writing output files.
     *
     * @remarks
     * By default, the output files will be written with Windows-style newlines.
     * To use POSIX-style newlines, specify "lf" instead.
     * To use the OS's default newline kind, specify "os".
     */
    newlineKind?: 'crlf' | 'lf' | 'os';
    /**
     * Set to true when invoking API Extractor's test harness.
     * @remarks
     * When `testMode` is true, the `toolVersion` field in the .api.json file is assigned an empty string
     * to prevent spurious diffs in output files tracked for tests.
     */
    testMode?: boolean;
    /**
     * Specifies how API Extractor sorts members of an enum when generating the .api.json file.
     *
     * @remarks
     * By default, the output files will be sorted alphabetically, which is "by-name".
     * To keep the ordering in the source code, specify "preserve".
     *
     * @defaultValue `by-name`
     */
    enumMemberOrder?: EnumMemberOrder;
    /**
     * {@inheritDoc IConfigCompiler}
     */
    compiler?: IConfigCompiler;
    /**
     * {@inheritDoc IConfigApiReport}
     */
    apiReport?: IConfigApiReport;
    /**
     * {@inheritDoc IConfigDocModel}
     */
    docModel?: IConfigDocModel;
    /**
     * {@inheritDoc IConfigDtsRollup}
     * @beta
     */
    dtsRollup?: IConfigDtsRollup;
    /**
     * {@inheritDoc IConfigTsdocMetadata}
     * @beta
     */
    tsdocMetadata?: IConfigTsdocMetadata;
    /**
     * {@inheritDoc IExtractorMessagesConfig}
     */
    messages?: IExtractorMessagesConfig;
}

/**
 * Configures reporting for a given message identifier.
 *
 * @remarks
 * This is part of the {@link IConfigFile} structure.
 *
 * @public
 */
export declare interface IConfigMessageReportingRule {
    /**
     * Specifies whether the message should be written to the the tool's output log.
     *
     * @remarks
     * Note that the `addToApiReportFile` property may supersede this option.
     */
    logLevel: ExtractorLogLevel;
    /**
     * When `addToApiReportFile` is true:  If API Extractor is configured to write an API report file (.api.md),
     * then the message will be written inside that file; otherwise, the message is instead logged according to
     * the `logLevel` option.
     */
    addToApiReportFile?: boolean;
}

/**
 * Specifies a table of reporting rules for different message identifiers, and also the default rule used for
 * identifiers that do not appear in the table.
 *
 * @remarks
 * This is part of the {@link IConfigFile} structure.
 *
 * @public
 */
export declare interface IConfigMessageReportingTable {
    /**
     * The key is a message identifier for the associated type of message, or "default" to specify the default policy.
     * For example, the key might be `TS2551` (a compiler message), `tsdoc-link-tag-unescaped-text` (a TSDOc message),
     * or `ae-extra-release-tag` (a message related to the API Extractor analysis).
     */
    [messageId: string]: IConfigMessageReportingRule;
}

/**
 * Configures how the tsdoc-metadata.json file will be generated.
 *
 * @remarks
 * This is part of the {@link IConfigFile} structure.
 *
 * @public
 */
export declare interface IConfigTsdocMetadata {
    /**
     * Whether to generate the tsdoc-metadata.json file.
     */
    enabled: boolean;
    /**
     * Specifies where the TSDoc metadata file should be written.
     *
     * @remarks
     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
     * prepend a folder token such as `<projectFolder>`.
     *
     * The default value is `<lookup>`, which causes the path to be automatically inferred from the `tsdocMetadata`,
     * `typings` or `main` fields of the project's package.json.  If none of these fields are set, the lookup
     * falls back to `tsdoc-metadata.json` in the package folder.
     */
    tsdocMetadataFilePath?: string;
}

/**
 * Configuration for a single API report, including its {@link IExtractorConfigApiReport.variant}.
 *
 * @public
 */
export declare interface IExtractorConfigApiReport {
    /**
     * Report variant.
     * Determines which API items will be included in the report output, based on their tagged release levels.
     */
    variant: ApiReportVariant;
    /**
     * Name of the output report file.
     * @remarks Relative to the configured report directory path.
     */
    fileName: string;
}

/**
 * Options for {@link ExtractorConfig.tryLoadForFolder}.
 *
 * @public
 */
export declare interface IExtractorConfigLoadForFolderOptions {
    /**
     * The folder path to start from when searching for api-extractor.json.
     */
    startingFolder: string;
    /**
     * An already constructed `PackageJsonLookup` cache object to use.  If omitted, a temporary one will
     * be constructed.
     */
    packageJsonLookup?: PackageJsonLookup;
    /**
     * An already constructed `RigConfig` object.  If omitted, then a new `RigConfig` object will be constructed.
     */
    rigConfig?: IRigConfig;
}

/**
 * Options for {@link ExtractorConfig.prepare}.
 *
 * @public
 */
export declare interface IExtractorConfigPrepareOptions {
    /**
     * A configuration object as returned by {@link ExtractorConfig.loadFile}.
     */
    configObject: IConfigFile;
    /**
     * The absolute path of the file that the `configObject` object was loaded from.  This is used for error messages
     * and when probing for `tsconfig.json`.
     *
     * @remarks
     *
     * If `configObjectFullPath` and `projectFolderLookupToken` are both unspecified, then the api-extractor.json
     * config file must explicitly specify a `projectFolder` setting rather than relying on the `<lookup>` token.
     */
    configObjectFullPath: string | undefined;
    /**
     * The parsed package.json file for the working package, or undefined if API Extractor was invoked without
     * a package.json file.
     *
     * @remarks
     *
     * If omitted, then the `<unscopedPackageName>` and `<packageName>` tokens will have default values.
     */
    packageJson?: INodePackageJson | undefined;
    /**
     * The absolute path of the file that the `packageJson` object was loaded from, or undefined if API Extractor
     * was invoked without a package.json file.
     *
     * @remarks
     *
     * This is used for error messages and when resolving paths found in package.json.
     *
     * If `packageJsonFullPath` is specified but `packageJson` is omitted, the file will be loaded automatically.
     */
    packageJsonFullPath: string | undefined;
    /**
     * The default value for the `projectFolder` setting is the `<lookup>` token, which uses a heuristic to guess
     * an appropriate project folder.  Use `projectFolderLookupValue` to manually specify the `<lookup>` token value
     * instead.
     *
     * @remarks
     * If the `projectFolder` setting is explicitly specified in api-extractor.json file, it should take precedence
     * over a value specified via the API.  Thus the `projectFolderLookupToken` option provides a way to override
     * the default value for `projectFolder` setting while still honoring a manually specified value.
     */
    projectFolderLookupToken?: string;
    /**
     * Allow customization of the tsdoc.json config file.  If omitted, this file will be loaded from its default
     * location.  If the file does not exist, then the standard definitions will be used from
     * `@microsoft/api-extractor/extends/tsdoc-base.json`.
     */
    tsdocConfigFile?: TSDocConfigFile;
    /**
     * When preparing the configuration object, folder and file paths referenced in the configuration are checked
     * for existence, and an error is reported if they are not found.  This option can be used to disable this
     * check for the main entry point module. This may be useful when preparing a configuration file for an
     * un-built project.
     */
    ignoreMissingEntryPoint?: boolean;
}

/**
 * Runtime options for Extractor.
 *
 * @public
 */
export declare interface IExtractorInvokeOptions {
    /**
     * An optional TypeScript compiler state.  This allows an optimization where multiple invocations of API Extractor
     * can reuse the same TypeScript compiler analysis.
     */
    compilerState?: CompilerState;
    /**
     * Indicates that API Extractor is running as part of a local build, e.g. on developer's
     * machine.
     *
     * @remarks
     * This disables certain validation that would normally be performed for a ship/production build. For example,
     * the *.api.md report file is automatically updated in a local build.
     *
     * The default value is false.
     */
    localBuild?: boolean;
    /**
     * If true, API Extractor will include {@link ExtractorLogLevel.Verbose} messages in its output.
     */
    showVerboseMessages?: boolean;
    /**
     * If true, API Extractor will print diagnostic information used for troubleshooting problems.
     * These messages will be included as {@link ExtractorLogLevel.Verbose} output.
     *
     * @remarks
     * Setting `showDiagnostics=true` forces `showVerboseMessages=true`.
     */
    showDiagnostics?: boolean;
    /**
     * Specifies an alternate folder path to be used when loading the TypeScript system typings.
     *
     * @remarks
     * API Extractor uses its own TypeScript compiler engine to analyze your project.  If your project
     * is built with a significantly different TypeScript version, sometimes API Extractor may report compilation
     * errors due to differences in the system typings (e.g. lib.dom.d.ts).  You can use the "--typescriptCompilerFolder"
     * option to specify the folder path where you installed the TypeScript package, and API Extractor's compiler will
     * use those system typings instead.
     */
    typescriptCompilerFolder?: string;
    /**
     * An optional callback function that will be called for each `ExtractorMessage` before it is displayed by
     * API Extractor.  The callback can customize the message, handle it, or discard it.
     *
     * @remarks
     * If a `messageCallback` is not provided, then by default API Extractor will print the messages to
     * the STDERR/STDOUT console.
     */
    messageCallback?: (message: ExtractorMessage) => void;
}

/**
 * Constructor options for `ExtractorMessage`.
 */
declare interface IExtractorMessageOptions {
    category: ExtractorMessageCategory;
    messageId: tsdoc.TSDocMessageId | ExtractorMessageId | ConsoleMessageId | string;
    text: string;
    sourceFilePath?: string;
    sourceFileLine?: number;
    sourceFileColumn?: number;
    properties?: IExtractorMessageProperties;
    logLevel?: ExtractorLogLevel;
}

/**
 * Used by {@link ExtractorMessage.properties}.
 *
 * @public
 */
export declare interface IExtractorMessageProperties {
    /**
     * A declaration can have multiple names if it is exported more than once.
     * If an `ExtractorMessage` applies to a specific export name, this property can indicate that.
     *
     * @remarks
     *
     * Used by {@link ExtractorMessageId.InternalMissingUnderscore}.
     */
    readonly exportName?: string;
}

/**
 * Configures how API Extractor reports error and warning messages produced during analysis.
 *
 * @remarks
 * This is part of the {@link IConfigFile} structure.
 *
 * @public
 */
export declare interface IExtractorMessagesConfig {
    /**
     * Configures handling of diagnostic messages generating the TypeScript compiler while analyzing the
     * input .d.ts files.
     */
    compilerMessageReporting?: IConfigMessageReportingTable;
    /**
     * Configures handling of messages reported by API Extractor during its analysis.
     */
    extractorMessageReporting?: IConfigMessageReportingTable;
    /**
     * Configures handling of messages reported by the TSDoc parser when analyzing code comments.
     */
    tsdocMessageReporting?: IConfigMessageReportingTable;
}

export { }