/**
 * @license
 * Copyright 2021 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
import type { TemplateResult } from 'lit';
import type { StrResult } from './str-tag.js';
/**
 * The template-like types that can be passed to `msg`.
 */
export type TemplateLike = string | TemplateResult | StrResult;
/**
 * A mapping from template ID to template.
 */
export type TemplateMap = {
    [id: string]: TemplateLike;
};
/**
 * The expected exports of a locale module.
 */
export interface LocaleModule {
    templates: TemplateMap;
}
export interface MsgOptions {
    /**
     * Optional project-wide unique identifier for this template. If omitted, an
     * id will be automatically generated from the template strings.
     */
    id?: string;
    /**
     * Optional description of this message.
     */
    desc?: string;
}
declare function msg(template: string, options?: MsgOptions): string;
declare function msg(template: StrResult, options?: MsgOptions): string;
declare function msg(template: TemplateResult, options?: MsgOptions): TemplateResult;
declare function msg(template: TemplateLike, options?: MsgOptions): string | TemplateResult;
export type MsgFn = typeof msg & {
    _LIT_LOCALIZE_MSG_?: never;
};
export {};
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