| Package | Description | 
|---|---|
| org.apache.hc.client5.http.impl.auth | Standard and common HTTP authentication schemes. | 
| Class and Description | 
|---|
| AuthChallengeParser Authentication challenge parser. | 
| BasicSchemeFactory AuthSchemeFactoryimplementation that creates and initializesBasicSchemeinstances. | 
| BearerSchemeFactory AuthSchemeFactoryimplementation that creates and initializesBearerSchemeinstances. | 
| CredentialsProviderBuilder CredentialsProviderbuilder. | 
| DigestSchemeFactory AuthSchemeFactoryimplementation that creates and initializesDigestSchemeinstances. | 
| GGSSchemeBase Deprecated. 
 Do not use. The GGS based experimental authentication schemes are no longer
 supported. Consider using Basic or Bearer authentication with TLS instead. | 
| KerberosSchemeFactory Deprecated. 
 Do not use. The GGS based experimental authentication schemes are no longer
 supported. Consider using Basic or Bearer authentication with TLS instead. | 
| NTLMEngine Deprecated. 
 Do not use. the NTLM authentication scheme is no longer supported | 
| NTLMEngineException Deprecated. 
 Do not use. | 
| NTLMSchemeFactory Deprecated. 
 Do not use. the NTLM authentication scheme is no longer supported.
 Consider using Basic or Bearer authentication with TLS instead. | 
| SPNegoSchemeFactory Deprecated. 
 Do not use. The GGS based experimental authentication schemes are no longer
 supported. Consider using Basic or Bearer authentication with TLS instead. | 
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