7b277e6d_JDK_Locale_Enhancement_Project__Description
[Signature] public Builder(boolean isLenientVariant) [Description] 
Constructs an empty Builder with an option whether to allow setVariant to accept a value that does not conform to the IETF BCP 47 variant subtag's syntax requirements.
Java Locale Enhancement Design Proposal - OpenJDK Locale Enhancement Project
Description