import { I18nOptions as _I18nOptions } from '@angular/build/private';
export type I18nOptions = _I18nOptions;
export interface SourceLocale {
    code?: string;
    baseHref?: string;
    subPath?: string;
}
export interface LocaleMetadata {
    translation?: string | string[];
    baseHref?: string;
    subPath?: string;
}
export interface I18nProjectMetadata {
    sourceLocale?: string | SourceLocale;
    locales?: Record<string, string | string[] | LocaleMetadata>;
}
/**
 * How to handle potential diagnostics.
 */
export type DiagnosticHandlingStrategy = 'error' | 'warning' | 'ignore';
export declare class Diagnostics {
    readonly messages: {
        type: 'warning' | 'error';
        message: string;
    }[];
    get hasErrors(): boolean;
    add(type: DiagnosticHandlingStrategy, message: string): void;
    warn(message: string): void;
    error(message: string): void;
    merge(other: Diagnostics): void;
    formatDiagnostics(message: string): string;
}
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