export declare const AGENT_NATIVE_MCP_APP_HOST_MESSAGE_TYPES: {
    readonly HOST_CONTEXT: "agentNative.mcpHostContext";
    readonly UPDATE_MODEL_CONTEXT: "agentNative.mcpHost.updateModelContext";
    readonly OPEN_LINK: "agentNative.mcpHost.openLink";
    readonly REQUEST_DISPLAY_MODE: "agentNative.mcpHost.requestDisplayMode";
    readonly RESPONSE: "agentNative.mcpHost.response";
};
export type AgentNativeMcpAppHostMessageType = (typeof AGENT_NATIVE_MCP_APP_HOST_MESSAGE_TYPES)[keyof typeof AGENT_NATIVE_MCP_APP_HOST_MESSAGE_TYPES];
export type McpAppDisplayMode = "inline" | "pip" | "fullscreen" | (string & {});
export interface McpAppModelContextContentPart {
    type: string;
    [key: string]: unknown;
}
export interface McpAppModelContextUpdate {
    content?: McpAppModelContextContentPart[];
    structuredContent?: unknown;
}
export type McpAppHostRequestMode = "act" | "plan";
export interface McpAppHostChatMessage {
    message: string;
    context?: string;
    content?: McpAppModelContextContentPart[];
    structuredContent?: unknown;
    mode?: McpAppHostRequestMode;
    requestMode?: McpAppHostRequestMode;
}
export interface McpAppHostCapabilities {
    updateModelContext?: boolean;
    openLink?: boolean;
    displayModes?: McpAppDisplayMode[];
    [key: string]: unknown;
}
export interface McpAppHostContext {
    capabilities?: McpAppHostCapabilities;
    [key: string]: unknown;
}
export interface McpAppHostContextSnapshot {
    context: McpAppHostContext | null;
    capabilities: McpAppHostCapabilities | null;
    version: unknown;
}
export declare function sendMcpAppHostMessage(chat: McpAppHostChatMessage): Promise<boolean> | false;
export declare function getMcpAppHostContext(): McpAppHostContextSnapshot;
export declare function useMcpAppHostContext(): McpAppHostContextSnapshot;
export declare function updateMcpAppModelContext(update: McpAppModelContextUpdate): Promise<boolean> | false;
export declare function openMcpAppHostLink(url: string): Promise<boolean> | false;
export declare function requestMcpAppDisplayMode(mode: McpAppDisplayMode): Promise<boolean> | false;
/** Internal test helper. Do not use in app code. */
export declare function _resetMcpAppHostForTests(): void;
//# sourceMappingURL=mcp-app-host.d.ts.map