export interface ReadyAttachment {
    readonly fileRef: string;
    readonly fileId: string;
    readonly displayName: string;
}
export interface SubmitAttachmentQueue {
    hasDrafts(sessionId: string): boolean;
    waitUntilReady(sessionId: string): Promise<readonly ReadyAttachment[]>;
    adoptAndClear(sessionId: string): Promise<void>;
}
export declare function appendAttachmentLinks(text: string, attachments: readonly ReadyAttachment[]): string;
export declare function installAttachmentSubmitAdapter(service: unknown, queue: SubmitAttachmentQueue): () => void;