import type { Surface } from "./check-surface-compatibility.js";
type SelectLike = {
    type?: string;
    response_url_enabled?: boolean;
};
type BlockLike = {
    type?: string;
    accessory?: SelectLike;
    element?: SelectLike;
    elements?: SelectLike[];
};
/**
 * Enforces Slack's `response_url_enabled` restriction:
 * "This field only works with menus in input blocks in modals."
 * (Docs: conversations_select / channels_select elements.)
 *
 * Flags any usage on a non-modal surface, and any usage outside an `input`
 * block (e.g. as a section `accessory` or inside an `actions` block).
 * @param blocks - array of Block Kit blocks
 * @param surface - target surface (used to reject home/message usage)
 * @returns array of human-readable error messages (empty when valid)
 */
export declare function checkResponseUrlEnabledContext(blocks: readonly BlockLike[], surface: Surface | undefined): string[];
export {};
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