SetVisible = function (items, value, index, direction)
{
    return PropertyValueSet(items, 'visible', value, 0, index, direction);
}
Takes an array of Game Objects, or any objects that have the public property `visible`
and then sets it to the given value.

To use this with a Group: `SetVisible(group.getChildren(), value)`

@function Phaser.Actions.SetVisible
@since 3.0.0

@generic {Phaser.GameObjects.GameObject[]} G - [items,$return]

@param {(array|Phaser.GameObjects.GameObject[])} items - The array of items to be updated by this action.
@param {boolean} value - The value to set the property to.
@param {number} [index=0] - An optional offset to start searching from within the items array.
@param {number} [direction=1] - The direction to iterate through the array. 1 is from beginning to end, -1 from end to beginning.

@return {(array|Phaser.GameObjects.GameObject[])} The array of objects that were passed to this Action.