[
  'composites' => [],
  'junctions' =>
  [ 
    [
      'name'=> 'ecdahdrprvdr',
      'temporal' => false,
      'relations' =>
      [
        [
          'role' => 'npi',
          'anchor' => 'npi',
          'many' => true
        ],
        [
          'role' => 'cda',
          'anchor' => 'ccda',
	  'many' => true,
          'firstRole' => true
        ]
      ]
    ]
  ]
];