import { DatasetSourceType, RawDatasetSource } from '../types';
export declare class DatasetSourceBuilder {
    private type;
    private value;
    constructor(raw: RawDatasetSource);
    static from(raw: RawDatasetSource): DatasetSourceBuilder;
    build(): Promise<{
        type: DatasetSourceType;
        blob: Blob;
    }>;
    /**
     * Convert different types of data to Blob
     */
    private convertToBlob;
}