import { type DeliveryMessage } from "../../contracts/index.js";
export type ValidationError = "schema_version_unknown" | "schema_unknown_kind" | "schema_unknown_action_type" | "schema_invalid_id" | "schema_invalid_date" | "schema_invalid_cooldown" | "schema_url_not_https" | "schema_text_too_long" | "schema_response_too_large" | "schema_malformed";
export interface ParseResult {
    ok: true;
    message: DeliveryMessage | undefined;
}
export interface ParseFailure {
    ok: false;
    error: ValidationError;
    detail?: string;
}
/**
 * Parse and validate a raw response body from the message selection endpoint.
 * Returns ok:false on any violation — caller must render nothing and log the error.
 */
export declare function parseMessageSelectionResponse(raw: string): ParseResult | ParseFailure;