{"type":"object","$defs":{"generation":{"type":"object","properties":{"fit":{"type":"object","properties":{"avg":{"type":"number"},"best":{"type":"number"},"worst":{"type":"number"}}},"individuals":{"type":"number"}}}},"properties":{"test":{"type":"string","description":"url to the test object"},"generations":{"type":"array","items":{"$ref":"#\/$defs\/generation"}}}}