pub const TRANSFER_ENCODING: HeaderName;
Specifies the form of encoding used to safely transfer the entity to the client.
transfer-encoding is a hop-by-hop header, that is applying to a
message between two nodes, not to a resource itself. Each segment of a
multi-node connection can use different
transfer-encoding values. If
you want to compress data over the whole connection, use the end-to-end
content-encoding header instead.
When present on a response to a
HEAD request that has no body, it
indicates the value that would have applied to the corresponding