export declare const AGENT_CHAT_STREAM_PATH = "/_agent-native/agent-chat-stream";
export declare const AGENT_CHAT_STREAM_TOKEN_SUFFIX = "/stream-token";
export declare const AGENT_CHAT_STREAM_TOKEN_TTL_SECONDS: number;
export type AgentChatStreamPrincipal = {
    ownerEmail: string;
    authUserId?: string;
} & ({
    orgId: string;
    orgScope?: never;
} | {
    orgId: null;
    orgScope: "personal";
});
type AgentChatStreamTokenScope = {
    orgId: string;
    orgScope?: never;
} | {
    orgId: null;
    orgScope: "personal";
};
export declare function isAgentChatStreamingRuntime(): boolean;
export declare function readAgentChatStreamBearerToken(authorization: string | undefined): string | null;
export declare function createAgentChatStreamToken(input: {
    ownerEmail: string;
    authUserId?: string;
} & AgentChatStreamTokenScope): Promise<string>;
export declare function verifyAgentChatStreamToken(token: string): Promise<AgentChatStreamPrincipal | null>;
export {};