import { type H3Event } from "h3";
export interface AgentNativeOgImagePresentation {
    appLabel: string;
    status: string;
    headline: string;
    description: string;
}
export interface AgentNativeOgImageInput {
    appName?: string | null;
    logoUrl?: string | null;
    brand?: "agent-native" | "custom";
    title?: string | null;
    accentText?: string | null;
    presentation?: AgentNativeOgImagePresentation | null;
}
export declare const AGENT_NATIVE_OG_IMAGE_WIDTH = 1200;
export declare const AGENT_NATIVE_OG_IMAGE_HEIGHT = 630;
export declare const AGENT_NATIVE_OG_IMAGE_CACHE_CONTROL = "public, max-age=60, stale-while-revalidate=604800, stale-if-error=3600";
export declare const AGENT_NATIVE_OG_IMAGE_NETLIFY_CACHE_CONTROL = "public, durable, max-age=60, stale-while-revalidate=604800, stale-if-error=3600";
export declare function resolveAgentNativeOgImageAppName(event?: H3Event): string;
export declare function isResvgRuntimeUnavailableError(error: unknown): boolean;
export declare function renderAgentNativeOgImageSvg(input?: AgentNativeOgImageInput): string;
export declare function renderAgentNativeOgImagePng(input?: AgentNativeOgImageInput): Promise<Uint8Array>;
export declare function agentNativeOgImageResponseHeaders(byteLength?: number, contentType?: string): Record<string, string>;
export declare function stageOgImageResponseHeaders(event: H3Event, headers: Record<string, string>): Record<string, string>;
export declare function createAgentNativeOgImageHandler(options?: AgentNativeOgImageInput): import("h3").EventHandlerWithFetch<import("h3").EventHandlerRequest, Promise<Response>>;