public final H2AsyncClientBuilder setTargetAuthenticationStrategy(
            final AuthenticationStrategy targetAuthStrategy) {
        this.targetAuthStrategy = targetAuthStrategy;
        return this;
    }
Sets {@link AuthenticationStrategy} instance for target
host authentication.

@return this instance.
httpclient5/src/main/java/org/apache/hc/client5/http/impl/async/H2AsyncClientBuilder.java