/// <reference types="node" />
/// <reference types="node" />
import { IExecuteFunctions } from 'n8n-core';
import { INodeExecutionData, INodeType, INodeTypeDescription, ICredentialDataDecryptedObject } from 'n8n-workflow';
export declare class WhatsappMediaProcessor implements INodeType {
    private static instance;
    private constructor();
    static getInstance(): WhatsappMediaProcessor;
    description: INodeTypeDescription;
    execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]>;
    static getMediaUrl(mediaId: string, credentials: ICredentialDataDecryptedObject): Promise<string>;
    static downloadMedia(url: string, credentials: ICredentialDataDecryptedObject): Promise<Buffer>;
}