type UpsertCustomFieldsStepInput = {
    alias: string;
    data: {
        id: string;
        [key: string]: unknown;
    } | {
        id: string;
        [key: string]: unknown;
    }[];
};
export declare const upsertCustomFieldsStep: import("@medusajs/framework/workflows-sdk").StepFunction<UpsertCustomFieldsStepInput, {
    [key: string]: unknown;
    id: string;
}[]>;
export {};