Converts a file-info map into X-Bz-Info-* HTTP headers.
X-Bz-Info-*
Both keys and values are percent-encoded with encodeFileName to satisfy B2 header requirements.
Key/value pairs to attach as custom file info, or undefined.
undefined
A record of header name/value pairs (empty if fileInfo is undefined).
fileInfo
Converts a file-info map into
X-Bz-Info-*HTTP headers.Both keys and values are percent-encoded with encodeFileName to satisfy B2 header requirements.