import type { NavigateFunction, NavigateOptions } from "react-router";
export declare const AGENT_CHAT_VIEW_TRANSITION_NAME = "agent-native-chat";
export declare const AGENT_CHAT_VIEW_TRANSITION_CLASS = "agent-native-chat-view-transition";
export declare const AGENT_CHAT_VIEW_TRANSITION_PREPARE_EVENT = "agentNative.chatViewTransitionPrepare";
export declare const AGENT_CHAT_HOME_HANDOFF_TTL_MS: number;
export interface AgentChatViewTransition {
    readonly ready: Promise<void>;
    readonly finished: Promise<void>;
    readonly updateCallbackDone: Promise<void>;
    skipTransition(): void;
}
export interface AgentChatViewTransitionOptions {
    document?: Document | null;
    disabled?: boolean;
    respectReducedMotion?: boolean;
}
export interface AgentChatHomeHandoffOptions {
    ttlMs?: number;
}
export declare function supportsAgentChatViewTransition(doc?: Document | null | undefined): boolean;
export declare function getAgentChatViewTransitionStyle<Style extends object | undefined>(style?: Style): (Style extends undefined ? object : Style) & {
    viewTransitionName: string;
};
export declare function startAgentChatViewTransition(update: () => void | Promise<void>, options?: AgentChatViewTransitionOptions): AgentChatViewTransition | null;
export declare function markAgentChatHomeHandoff(storageKey?: string | null): void;
export declare function isAgentChatHomeHandoffActive(storageKey?: string | null, options?: AgentChatHomeHandoffOptions): boolean;
export declare function consumeAgentChatHomeHandoff(storageKey?: string | null, options?: AgentChatHomeHandoffOptions): boolean;
export declare function navigateWithAgentChatViewTransition(navigate: NavigateFunction, to: string, options?: NavigateOptions): void;