/**
 * Locale Rows
 *
 * The switcher's list, built from the site's markets and the variants a
 * canonical page holds. Rows are measured from the canonical rather than from
 * the open document, so a translation sees the same set its canonical does and
 * "add a locale" means the same thing wherever the editor is standing.
 */
import type { Document } from '@pantheon-systems/css-client';
/**
 * `exists` names a document to open, `available` offers to create one, and
 * `current` is the document already open.
 */
export type LocaleRowState = 'current' | 'exists' | 'available';
export interface LocaleRow {
    /** The market this row publishes, or null for the canonical's untagged page. */
    locale: string | null;
    /** The document to open, or null when this locale has none yet. */
    documentId: string | null;
    state: LocaleRowState;
    /** This row is the canonical's own document — the switcher's Source row. */
    isSource: boolean;
}
export interface BuildLocaleRowsParams {
    /** The site's configured markets, in the order editors should see them. */
    markets: string[];
    canonical: Document;
    /** The canonical's locale variants. */
    variants: Document[];
    currentDocumentId: string | null;
}
export declare function buildLocaleRows({ markets, canonical, variants, currentDocumentId, }: BuildLocaleRowsParams): LocaleRow[];