| Package | Description | 
|---|---|
| org.apache.hc.core5.http | Core HTTP transport component APIs. | 
| org.apache.hc.core5.http.impl.bootstrap | HTTP/1.1 requester and server bootstrap. | 
| org.apache.hc.core5.http.impl.routing | |
| org.apache.hc.core5.http.io.support | Support classes for the classic (blocking) I/O model. | 
| org.apache.hc.core5.http.message | Core HTTP message components, message element parser
 and writer APIs and their default implementations. | 
| org.apache.hc.core5.http.nio.ssl | TLS protocol support. | 
| org.apache.hc.core5.http.nio.support | Support classes for the asynchronous I/O model. | 
| org.apache.hc.core5.http.support | |
| org.apache.hc.core5.http2.impl.nio.bootstrap | HTTP/2 capable requester and server bootstrap. | 
| org.apache.hc.core5.http2.ssl | HTTP/2 specific TLS protocol support. | 
| org.apache.hc.core5.net | Core network component APIs and utilities. | 
| org.apache.hc.core5.reactor | Event driven network communication APIs and components loosely based on
 Doug Lea's
 reactor pattern. | 
| org.apache.hc.core5.reactor.ssl | TLS/SSL support for I/O reactors. | 
| org.apache.hc.core5.testing.nio | 
| Class and Description | 
|---|
| NamedEndpoint Endpoint identified by name (usually a fully qualified domain name) and port. | 
| URIAuthority Represents authority component of request  URI. | 
| Class and Description | 
|---|
| NamedEndpoint Endpoint identified by name (usually a fully qualified domain name) and port. | 
| Class and Description | 
|---|
| URIAuthority Represents authority component of request  URI. | 
| Class and Description | 
|---|
| URIAuthority Represents authority component of request  URI. | 
| Class and Description | 
|---|
| URIAuthority Represents authority component of request  URI. | 
| Class and Description | 
|---|
| NamedEndpoint Endpoint identified by name (usually a fully qualified domain name) and port. | 
| Class and Description | 
|---|
| URIAuthority Represents authority component of request  URI. | 
| Class and Description | 
|---|
| URIAuthority Represents authority component of request  URI. | 
| Class and Description | 
|---|
| NamedEndpoint Endpoint identified by name (usually a fully qualified domain name) and port. | 
| Class and Description | 
|---|
| NamedEndpoint Endpoint identified by name (usually a fully qualified domain name) and port. | 
| Class and Description | 
|---|
| Host Component that holds all details needed to describe a network connection
 to a host. | 
| NamedEndpoint Endpoint identified by name (usually a fully qualified domain name) and port. | 
| PercentCodec Percent-encoding. | 
| URIAuthority Represents authority component of request  URI. | 
| URIBuilder Builder for  URIinstances. | 
| Class and Description | 
|---|
| NamedEndpoint Endpoint identified by name (usually a fully qualified domain name) and port. | 
| Class and Description | 
|---|
| NamedEndpoint Endpoint identified by name (usually a fully qualified domain name) and port. | 
| Class and Description | 
|---|
| NamedEndpoint Endpoint identified by name (usually a fully qualified domain name) and port. | 
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