Builder<T> setKeyStorePath(String keyStorePath) {
      this.keyStorePath = Objects.requireNonNull(keyStorePath);
      return this;
    }
Base class for builder pattern used by subclasses.
@param <T> the subtype of FileKeyStoreLoader created by the Builder.
hbase-common/src/main/java/org/apache/hadoop/hbase/io/crypto/tls/FileKeyStoreLoader.java