The accountId of the account to lookup the blobs in
A list of blobId values to be looked for.
A list of BlobInfo objects.
A list of names from the "JMAP Data Types" registry, or defined by private extensions which the client has requested. Only names for which "Can reference blobs" is true may be specified, and the capability which defines each type must also be used by the overall JMAP request in which this method is called.If a type name is not known by the server, or the associated capability has not been requested, then the server returns an "unknownDataType" error.
The arguments for looking up blobs via the Blob/lookup method