WP_Image_Editor_Imagick::supports_mime_type( string $mime_type )

	public static function supports_mime_type( $mime_type ) {
		$imagick_extension = strtoupper( self::get_extension( $mime_type ) );

		if ( ! $imagick_extension )
			return false;

		// setIteratorIndex is optional unless mime is an animated format.
		// Here, we just say no if you are missing it and aren't loading a jpeg.
		if ( ! method_exists( 'Imagick', 'setIteratorIndex' ) && $mime_type != 'image/jpeg' )
				return false;

		try {
			return ( (bool) @Imagick::queryFormats( $imagick_extension ) );
		}
		catch ( Exception $e ) {
			return false;
		}
	}