Create a map of traversal objects and stream to the next traversal step.


Table 1. Legend
Syntax conventions Description
Lowercase and uppercase Literal keyword. Includes ().
Italics Variable value. Replace with a user-defined value.
[] Optional. Square brackets ( [] ) surround optional command arguments. Do not type the square brackets.
{} Group. Braces ( {} ) identify a group to choose from. Do not type the braces.
| Or. A vertical bar ( | ) separates alternative elements. Type any one of the elements. Do not type the vertical bar.
... Repeatable. An ellipsis ( ... ) indicates that you can repeat the syntax element as often as required.


The flatMap() step is a general flatMap step. This step creates a map of the traversal objects and streams the map to the next traversal step.


Return a map of the recipe properties included in the cookbooks in the graph, but limit the return to 3 recipes: