export interface SendRequest {
    channelJid: string;
    text?: string;
    files: string[];
}
export declare function normalizeChannelJid(input: string): string;
export declare function validateSendRequest(request: SendRequest, options: {
    maxAttachmentBytes: number;
    fileStat: (path: string) => {
        size: number;
    };
}): void;
export declare function sendFilesToDiscord(request: SendRequest): Promise<{
    sentFiles: number;
}>;