Method logger

src/main/java/feign/VertxFeign.java:173–177

Sets logger. @param logger logger @return this builder

(final Logger logger)

     * @return this builder
     */
    @Override
    public Builder logger(final Logger logger) {
      this.logger = checkNotNull(logger, "Argument logger must be not null");
      return this;
    }

    /**
     * Sets encoder.