import type { IExecuteFunctions, IBinaryData } from 'n8n-workflow';
export declare function prepareBinaryData(this: IExecuteFunctions, itemIndex: number, binaryPropertyName: string): Promise<{
    base64: string;
    filename: string;
    mimeType: string;
}>;
export declare function isBinaryDataAvailable(binaryData: IBinaryData | undefined): boolean;