Final Class Yiisoft\Yii\Widgets\Alert

                public function attributes(array $valuesMap): self
{
    $new = clone $this;
    $new->attributes = $valuesMap;
    return $new;
}

            

                public function body(string $value): self
{
    $new = clone $this;
    $new->body = $value;
    return $new;
}

            

                public function bodyAttributes(array $valuesMap): self
{
    $new = clone $this;
    $new->bodyAttributes = $valuesMap;
    return $new;
}

            

                public function bodyClass(string $value): self
{
    $new = clone $this;
    Html::addCssClass($new->bodyAttributes, $value);
    return $new;
}

            

                public function bodyContainer(bool $value): self
{
    $new = clone $this;
    $new->bodyContainer = $value;
    return $new;
}

            

                public function bodyContainerAttributes(array $valuesMap): self
{
    $new = clone $this;
    $new->bodyContainerAttributes = $valuesMap;
    return $new;
}

            

                public function bodyContainerClass(string $value): self
{
    $new = clone $this;
    Html::addCssClass($new->bodyContainerAttributes, $value);
    return $new;
}

            

                public function bodyTag(?string $tag = null): self
{
    if ($tag === '') {
        throw new InvalidArgumentException('Body tag must be a string and cannot be empty.');
    }
    $new = clone $this;
    $new->bodyTag = $tag;
    return $new;
}

            

                public function buttonAttributes(array $valuesMap): self
{
    $new = clone $this;
    $new->buttonAttributes = $valuesMap;
    return $new;
}

            

                public function buttonClass(string $value): self
{
    $new = clone $this;
    Html::addCssClass($new->buttonAttributes, $value);
    return $new;
}

            

                public function buttonLabel(string $value = ''): self
{
    $new = clone $this;
    $new->buttonLabel = $value;
    return $new;
}

            

                public function buttonOnClick(string $value): self
{
    $new = clone $this;
    $new->buttonAttributes['onclick'] = $value;
    return $new;
}

            

                public function class(string $value): self
{
    $new = clone $this;
    Html::addCssClass($new->attributes, $value);
    return $new;
}

            

                public function header(string $value): self
{
    $new = clone $this;
    $new->header = $value;
    return $new;
}

            

                public function headerAttributes(array $valuesMap): self
{
    $new = clone $this;
    $new->headerAttributes = $valuesMap;
    return $new;
}

            

                public function headerClass(string $value): self
{
    $new = clone $this;
    Html::addCssClass($new->headerAttributes, $value);
    return $new;
}

            

                public function headerContainer(bool $value = true): self
{
    $new = clone $this;
    $new->headerContainer = $value;
    return $new;
}

            

                public function headerContainerAttributes(array $valuesMap): self
{
    $new = clone $this;
    $new->headerContainerAttributes = $valuesMap;
    return $new;
}

            

                public function headerContainerClass(string $value): self
{
    $new = clone $this;
    Html::addCssClass($new->headerContainerAttributes, $value);
    return $new;
}

            

                public function headerTag(string $value): self
{
    if (empty($value)) {
        throw new InvalidArgumentException('Header tag must be a string and cannot be empty.');
    }
    $new = clone $this;
    $new->headerTag = $value;
    return $new;
}

            

                public function iconAttributes(array $valuesMap): self
{
    $new = clone $this;
    $new->iconAttributes = $valuesMap;
    return $new;
}

            

                public function iconClass(string $value): self
{
    $new = clone $this;
    Html::addCssClass($new->iconAttributes, $value);
    return $new;
}

            

                public function iconContainerAttributes(array $valuesMap): self
{
    $new = clone $this;
    $new->iconContainerAttributes = $valuesMap;
    return $new;
}

            

                public function iconContainerClass(string $value): self
{
    $new = clone $this;
    Html::addCssClass($new->iconContainerAttributes, $value);
    return $new;
}

            

                public function iconText(string $value): self
{
    $new = clone $this;
    $new->iconText = $value;
    return $new;
}

            

                public function id(string $value): self
{
    $new = clone $this;
    $new->attributes['id'] = $value;
    return $new;
}

            

                public function layoutBody(string $value): self
{
    $new = clone $this;
    $new->layoutBody = $value;
    return $new;
}

            

                public function layoutHeader(string $value): self
{
    $new = clone $this;
    $new->layoutHeader = $value;
    return $new;
}

            

                public function render(): string
{
    $div = new Div();
    $parts = [];
    if (!array_key_exists('id', $this->attributes)) {
        $div = $div->id(Html::generateId('alert-'));
    }
    $parts['{button}'] = $this->renderButton();
    $parts['{icon}'] = $this->renderIcon();
    $parts['{body}'] = $this->renderBody();
    $parts['{header}'] = $this->renderHeader();
    $contentAlert = $this->renderHeaderContainer($parts) . PHP_EOL . $this->renderBodyContainer($parts);
    return $this->body !== ''
        ? $div
            ->attribute('role', 'alert')
            ->addAttributes($this->attributes)
            ->content(PHP_EOL . trim($contentAlert) . PHP_EOL)
            ->encode(false)
            ->render()
        : '';
}