The raw octets, must be UTF-8
The base64 representation of octets
The blobId to copy from
Optionallength?: UnsignedInt | null(default: remaining octets in the blog) The length of data to copy from the referenced blob
Optionaloffset?: UnsignedInt | null(default: 0) The number of octets offset into the referenced blob
A source of octets to use in creating a blob