export type BtwPromptRef = {
    readonly hasAttachments: boolean;
    readonly input: string;
    set: (input: string) => void;
    submit: () => void;
};
export type BtwSession = {
    id: string;
    title: string;
    agent?: string;
    model?: {
        providerID: string;
        id: string;
    };
};
export type BtwSessionMessage = {
    info: {
        id: string;
        role: "user" | "assistant";
        time?: {
            completed?: number;
        };
    };
};
export type BtwCreateSessionInput = {
    title: string;
    agent?: string;
    model?: {
        providerID: string;
        id: string;
    };
    metadata: Record<string, unknown>;
};
export type BtwSideControllerDependencies = {
    getCurrentSessionID: () => string | undefined;
    getSession: (sessionID: string) => BtwSession | undefined;
    getMessages: (sessionID: string) => BtwSessionMessage[];
    createSession: (input: BtwCreateSessionInput) => Promise<{
        id: string;
        title: string;
    }>;
    navigateSession: (sessionID: string) => void;
    abortSession: (sessionID: string) => Promise<void>;
    deleteSession: (sessionID: string) => Promise<void>;
    showToast: (message: string) => void;
    requestRender: () => void;
};
export type BtwSideState = {
    phase: "closed";
} | {
    phase: "creating";
    parentSessionID: string;
} | {
    phase: "open";
    parentSessionID: string;
    sideSessionID: string;
    owned: boolean;
} | {
    phase: "closing";
    parentSessionID: string;
    sideSessionID: string;
    owned: boolean;
};
export type BtwSideRecord = {
    parentSessionID: string;
    sideSessionID: string;
    owned: boolean;
};