Filters the collaborators by their affiliation. Can be one of:
* outside: Outside collaborators of a project that are not a member of the project’s organization.
* direct: Collaborators with permissions to a project, regardless of organization membership status.
* all: All collaborators the authenticated user can see.
Allowed values:outsidedirectall
Default:all
Results per page (max 100)
Default:30
Page number of the results to fetch.
Default:1