import { type TokenManager } from '../google/client.ts';
export interface GmailHeader {
    name?: string;
    value?: string;
}
interface GmailBody {
    data?: string;
    size?: number;
    attachmentId?: string;
}
export interface GmailPayload {
    mimeType?: string;
    body?: GmailBody;
    headers?: GmailHeader[];
    filename?: string;
    parts?: GmailPayload[];
}
export interface GmailMessageRaw {
    id?: string;
    threadId?: string;
    internalDate?: string;
    labelIds?: string[];
    snippet?: string;
    sizeEstimate?: number;
    payload?: GmailPayload;
}
export interface GmailMessageStub {
    id: string;
    threadId?: string;
}
export interface GmailAttachmentInfo {
    filename: string;
    attachmentId: string;
    size: number;
}
interface GmailAddress {
    name: string;
    email: string;
}
interface GmailProcessedAttachment {
    id: string;
    filename: string;
    path: string;
    mime_type: string;
    size: number;
}
export interface GmailMessageProcessed {
    id: string;
    thread_id: string;
    from: GmailAddress;
    to: GmailAddress[];
    cc: GmailAddress[];
    subject: string;
    date: string;
    body_text: string;
    snippet: string;
    labels: string[];
    attachments: GmailProcessedAttachment[];
}
export interface ListMessagesOptions {
    labelId?: string | null;
    query?: string | null;
    maxResults?: number;
}
export declare function listMessages(tokenManager: TokenManager, opts?: ListMessagesOptions): Promise<GmailMessageStub[]>;
export declare function getMessageRaw(tokenManager: TokenManager, messageId: string): Promise<GmailMessageRaw>;
export declare function decodeBody(payload: GmailPayload | undefined): string;
export declare function extractHeader(headers: GmailHeader[] | undefined, name: string): string;
export declare function getAttachment(tokenManager: TokenManager, messageId: string, attachmentId: string): Promise<Uint8Array>;
export declare function extractAttachments(payload: GmailPayload | undefined): GmailAttachmentInfo[];
export declare function getMessageProcessed(tokenManager: TokenManager, messageId: string): Promise<GmailMessageProcessed>;
export declare function messageJsonBytes(raw: GmailMessageRaw): Uint8Array;
export {};
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