import { Config } from "./config.js";
import { DiagnosticFormatter, Diagnostics } from "./diagnostics.js";
import { LocaleData } from "./locale-data.js";
import { Source } from "./source.js";
import { TranslationData } from "./translation-data.js";
export declare class Project {
    #private;
    constructor(options: ProjectOptions);
    get config(): Config;
    get diagnostics(): Diagnostics;
    get diagnosticFormatter(): DiagnosticFormatter;
    get development(): boolean;
    /**
     * Get or set translation data.
     * A task runner should set this property before processing sources if translation data exists on disk.
     */
    get translationData(): TranslationData;
    set translationData(data: TranslationData);
    getPrefix(filename: string): string;
    /**
     * Should be called by a task runner to update or add a source file.
     */
    updateSource(source: Source): void;
    /**
     * Can be called by a task runner to delete a source.
     */
    deleteSource(filename: string): void;
    /**
     * Should be called by a task runner to process updated sources.
     */
    processSources(): void;
    /**
     * Handle modified sources and translation data.
     *
     * This should be called by a task runner after sources have been processed.
     *
     * In prorudction, no hooks will be invoked and diagnostics
     * are reported if anything has been modified.
     */
    handleModified(hooks: ProjectHandleModifiedHooks): Promise<void>;
    /**
     * Add external locale data.
     */
    addExternalLocale(localeId: string, filename: string, data: LocaleData): void;
    /**
     * Compile translation data and external locales.
     * @returns A map of locale ids to compiled locale data.
     */
    compileLocales(): Map<string, LocaleData>;
    /**
     * Report all future diagnostics from this project to the console output.
     *
     * This will also set the process exit code to 1 if any errors are reported.
     */
    reportDiagnosticsToConsole(): void;
    /**
     * Run the standard production or development workflow for this project.
     */
    run(options?: ProjectRunOptions): Promise<unknown>;
}
export interface ProjectOptions {
    /** The project config. */
    readonly config: Config;
    /** True, to use the development workflow. */
    readonly development?: boolean;
}
export interface ProjectHandleModifiedHooks {
    readonly writeSource?: (source: Source) => void | Promise<void>;
    readonly writeTranslationData?: (data: TranslationData) => void | Promise<void>;
}
export interface ProjectRunOptions {
    /**
     * If true, sources, translation data and external locales are watched for changes.
     *
     * Default is true in development mode and false in production mode.
     */
    watch?: boolean;
    /**
     * If false, external locales are not included in the output.
     *
     * @default true
     */
    externals?: boolean;
}