declare namespace InternalBlobBinding { interface BlobHandle { slice(start: number, end: number): BlobHandle; } } export interface BlobBinding { createBlob(sources: Array, length: number): InternalBlobBinding.BlobHandle; getDataObject(id: string): [handle: InternalBlobBinding.BlobHandle | undefined, length: number, type: string] | undefined; storeDataObject(id: string, handle: InternalBlobBinding.BlobHandle, size: number, type: string): void; }