import { type H3Event } from "h3";
export declare const MCP_OAUTH_FLOW_COOKIE = "an_mcp_oauth_flow";
export declare const MCP_OAUTH_FLOW_COOKIE_CHUNK_SIZE = 2800;
export declare const MCP_OAUTH_FLOW_COOKIE_MAX_CHUNKS = 8;
export type McpOAuthFlowCookieReadResult = {
    status: "absent";
} | {
    status: "invalid";
} | {
    status: "ok";
    value: Record<string, unknown>;
};
export declare function readMcpOAuthFlowCookiePayload(event: H3Event): McpOAuthFlowCookieReadResult;