/**
     * Sets the extra parameters for provider-specific settings.
     *
     * @param extraParams the extra parameters map
     * @return this request for method chaining
     */
    public LlmChatRequest setExtraParams(final Map<String, String> extraParams) {
        this.extraParams = extraParams;
        return this;
    }

    /**
     * Adds a single extra parameter for provider-specific settings.
     *