### 3.2.69 melody-spanner-interface

Context dependent typesetting decisions.

#### User settable properties:

> `neutral-direction` (direction)

>   Which direction to take in the center of the staff.

#### Internal properties:

> `stems` (array of grobs)

>   An array of stem objects.

This grob interface is used in the following graphical object(s): MelodyItem.

#### Internals Reference v2.18.2 (稳定分支).