this.model = model;
        return this;
    }

    /**
     * Gets the maximum tokens for the response.
     *
     * @return the maximum tokens
     */
    public Integer getMaxTokens() {
        return maxTokens;
    }

    /**
     * Sets the maximum tokens for the response.
     *
     * @param maxTokens the maximum tokens
     * @return this request for method chaining