et && is_numeric( $maxSnippet ) ) {
			$this->attributes['max-snippet'] = "max-snippet:$maxSnippet";
		}
		$maxImagePreview = $robotsMeta['maxImagePreview'];
		$noImageIndex    = $robotsMeta['noimageindex'];
		if ( ! $noImageIndex && $maxImagePreview && in_array( $maxImagePreview, [ 'none', 'standard', 'large' ], true ) ) {
			$this->attributes['max-image-preview'] = "max-image-preview:$maxImagePreview";
		}
		$maxVideoPreview = $robotsMeta['maxVideoPreview'];
		if ( isset( $maxVideoPreview ) && is_numeric( $maxVideoPreview ) ) {
			$this->attributes['max-video-preview'] = "max-video-preview:$maxVideoPreview";
		}

		// Check this last so that we can prevent max-image-preview from being output if noimageindex is enabled.
		if ( $noImageIndex ) {
			$this->attributes['max-image-preview'] = '';
			$this->attributes['noimageindex']      = 'noimageindex';
		}
	}

	/**
	 * Sets the attributes from the meta data.
	 *
	 * @since 4.0.0
	 *
	 * @param  \AIOSEO\Plugin\Common\Models\Post|\AIOSEO\Plugin\Pro\Models\Term $metaData The post/term meta data.
	 * @return void
	 */
	protected function metaValues( $metaData ) {
		if ( $metaData->robots_noindex || $this->isPasswordProtected() ) {
			$this->attributes['noindex'] = 'noindex';
		}
		if ( $metaData->robots_nofollow ) {
			$this->attributes['nofollow'] = 'nofollow';
		}
		if ( $metaData->robots_noarchive ) {
			$this->attributes['noarchive'] = 'noarchive';
		}
		if ( $metaData->robots_nosnippet ) {
			$this->attributes['nosnippet'] = 'nosnippet';
		}
		if ( $metaData->robots_noodp ) {
			$this->attributes['noodp'] = 'noodp';
		}
		if ( $metaData->robots_notranslate ) {
			$this->attributes['notranslate'] = 'notranslate';
		}
		if ( ! $metaData->robots_nosnippet && isset( $metaData->robots_max_snippet ) && is_numeric( $metaData->robots_max_snippet ) ) {
			$this->attributes['max-snippet'] = "max-snippet:$metaData->robots_max_snippet";
		}
		if ( ! $metaData->robots_noimageindex && $metaData->robots_max_imagepreview && in_array( $metaData->robots_max_imagepreview, [ 'none', 'standard', 'large' ], true ) ) {
			$this->attributes['max-image-preview'] = "max-image-preview:$metaData->robots_max_imagepreview";
		}
		if ( isset( $metaData->robots_max_videopreview ) && is_numeric( $metaData->robots_max_videopreview ) ) {
			$this->attributes['max-video-preview'] = "max-video-preview:$metaData->robots_max_videopreview";
		}

		// Check this last so that we can prevent max-image-preview from being output if noimageindex is enabled.
		if ( $metaData->robots_noimageindex ) {
			$this->attributes['max-image-preview'] = '';
			$this->attributes['noimageindex']      = 'noimageindex';
		}
	}

	/**
	 * Checks whether the current post is password protected.
	 *
	 * @since 4.0.0
	 *
	 * @return bool Whether the post is password protected.
	 */
	private function isPasswordProtected() {
		$post = aioseo()->helpers->getPost();

		return is_object( $post ) && $post->post_password;
	}
}