InternetDomainName | 
InternetDomainName.child(String leftParts) | 
 Creates and returns a new InternetDomainName by prepending the argument and a dot to
 the current name. 
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static InternetDomainName | 
InternetDomainName.from(String domain) | 
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InternetDomainName | 
InternetDomainName.parent() | 
 Returns an InternetDomainName that is the immediate ancestor of this one; that is, the
 current domain with the leftmost part removed. 
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InternetDomainName | 
InternetDomainName.publicSuffix() | 
Returns the  public suffix portion of the domain name, or  
 null if no public suffix is present.  
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InternetDomainName | 
InternetDomainName.registrySuffix() | 
Returns the  registry suffix portion of the domain name, or
  null if no registry suffix is present.  
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InternetDomainName | 
InternetDomainName.topDomainUnderRegistrySuffix() | 
Returns the portion of this domain name that is one level beneath the  registry suffix.  
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InternetDomainName | 
InternetDomainName.topPrivateDomain() | 
Returns the portion of this domain name that is one level beneath the  public suffix.  
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