import type { WhatsAppClient } from "./client.js";
type MediaDataSource = {
    type: "data";
    value: string;
    mimeType: string;
};
/** AG-UI multimodal content parts (shape the runtime's converter expects). */
export type AgentContentPart = {
    type: "text";
    text: string;
} | {
    type: "image";
    source: MediaDataSource;
} | {
    type: "audio";
    source: MediaDataSource;
} | {
    type: "video";
    source: MediaDataSource;
} | {
    type: "document";
    source: MediaDataSource;
};
/** Subset of an inbound media object we use. */
export interface WhatsAppMediaRef {
    id: string;
    mime_type?: string;
    filename?: string;
}
export interface FileDeliveryConfig {
    /** Skip a single file larger than this many bytes. Default 8 MiB. */
    maxBytesPerFile?: number;
    /** Process at most this many media per message. Default 5. */
    maxFiles?: number;
    /** Truncate decoded text files to this many bytes. Default 200 KiB. */
    maxTextBytes?: number;
}
/** Download inbound media via the client and build AG-UI content parts. */
export declare function buildFileContentParts(media: WhatsAppMediaRef[], client: Pick<WhatsAppClient, "downloadMedia">, config: FileDeliveryConfig): Promise<{
    parts: AgentContentPart[];
    notes: string[];
}>;
export {};
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