Checker.checkArgumentNotNull(executorService);
checkNotBuilt();
this.executorService = executorService;
return this;
}
<BUG>public MustacheEngineBuilder setLiteralSupport(LiteralSupport literalSupport) {
Checker.checkArgumentNotNull(literalSupport);</BUG>
checkNotBuilt();
this.literalSupport = literalSupport;
return this;

Checker.checkArgumentNotNull(executorService);
checkNotBuilt();
this.executorService = executorService;
return this;
}
public MustacheEngineBuilder setLiteralSupport(
LiteralSupport literalSupport) {
Checker.checkArgumentNotNull(literalSupport);
checkNotBuilt();
this.literalSupport = literalSupport;
return this;
