import type { MessagesFormat } from './format/types.js';
export type Locale = string;
export type ExtractorMessageReference = {
    path: string;
    line?: number;
};
/** A single statically extracted source-code usage before any aggregation. */
export type SourceMessage = {
    id: string;
    message: string;
    description: string | null;
    reference: ExtractorMessageReference;
};
/** An aggregated message that can be read from or written to a catalog. */
export type ExtractorMessage = {
    id: string;
    message: string;
    /**
     * All unique descriptions attached to messages (e.g. multiple `#.` lines in PO).
     * Ordered by source reference (path, then line).
     */
    description: Array<string>;
    /**
     * Source locations for this message (e.g. `#:` lines in PO). Ordered by path, then line.
     * Empty when the catalog format does not store references or none are known.
     */
    references: Array<ExtractorMessageReference>;
    /** Allows for additional properties like .po flags to be read and later written. */
    [key: string]: unknown;
};
/**
 * External extractor configuration (Next.js plugin, `extractMessages`).
 */
export type ExtractorConfigInput = {
    /**
     * Relative path(s) to your source code files.
     */
    srcPath?: string | Array<string>;
    messages: {
        /** The format of your messages files. */
        format: MessagesFormat;
        /** Relative path(s) to your messages files. */
        path: string | Array<string>;
        /**
         * Locales kept in sync with [`messages.sourceLocale`](https://next-intl.dev/docs/usage/plugin#messages-source-locale).
         */
        locales: 'infer' | ReadonlyArray<Locale>;
        /** Locale to which extracted source strings are written. */
        sourceLocale?: string;
    };
    /**
     * Enables the usage of `useExtracted`.
     */
    extract?: true | {
        /** Defaults to `messages.path` when it is a single path. */
        path?: string;
        /** @deprecated Prefer `messages.sourceLocale`. */
        sourceLocale?: string;
    };
};
/** Normalized config used internally after `normalizeExtractorConfig`. */
export type ExtractorConfig = {
    extract: {
        locales: 'infer' | ReadonlyArray<Locale>;
        path: string;
        sourceLocale: string;
        srcPath: string | Array<string>;
    };
    messages: {
        format: MessagesFormat;
        path: Array<string>;
    };
};
export type CatalogLoaderConfig = {
    messages: {
        format: MessagesFormat;
        precompile?: boolean;
    };
};