import type { ExistingPoMergeResult } from "./po-writer.js";
export type ExistingPoMergeSource = {
    readonly kind: "none";
} | {
    readonly kind: "defaultOutput";
    readonly path: string;
} | {
    readonly kind: "explicitInput";
    readonly path: string;
};
export interface MergeSourcePlan {
    readonly language: string;
    readonly source: ExistingPoMergeSource;
}
export type MergeSourcePlanningResult = {
    readonly ok: true;
    readonly sources: readonly MergeSourcePlan[];
} | {
    readonly error: string;
    readonly ok: false;
};
export declare function planExistingPoMergeSources(options: {
    readonly forceTranslate: boolean;
    readonly inputPoPath?: string;
    readonly outputFiles: ReadonlyMap<string, string>;
    readonly targetLanguages: readonly string[];
}): MergeSourcePlanningResult;
export declare function readExistingPoMergeSource(source: ExistingPoMergeSource): Promise<{
    readonly data: ExistingPoMergeResult["output"];
} | undefined>;