17 duplicated lines in:
  - oak-exercise/src/main/java/org/apache/jackrabbit/oak/exercise/security/principal/CustomPrincipalProvider.java (49:80, 62%)
  - oak-security-spi/src/main/java/org/apache/jackrabbit/oak/spi/security/principal/EmptyPrincipalProvider.java (40:64, 73%)

17 duplicated lines in:
  - oak-exercise/src/main/java/org/apache/jackrabbit/oak/exercise/security/authorization/models/predefined/PredefinedPermissionProvider.java (54:83, 62%)
  - oak-security-spi/src/main/java/org/apache/jackrabbit/oak/spi/security/authorization/permission/EmptyPermissionProvider.java (51:75, 60%)

15 duplicated lines in:
  - oak-exercise/src/main/java/org/apache/jackrabbit/oak/exercise/security/authorization/models/readonly/ReadOnlyAuthorizationConfiguration.java (327:347, 8%)
  - oak-security-spi/src/main/java/org/apache/jackrabbit/oak/spi/security/SecurityConfiguration.java (142:162, 23%)

14 duplicated lines in:
  - oak-exercise/src/main/java/org/apache/jackrabbit/oak/exercise/security/authorization/models/readonly/ReadOnlyAuthorizationConfiguration.java (385:406, 8%)
  - oak-security-spi/src/main/java/org/apache/jackrabbit/oak/spi/security/authorization/permission/TreePermission.java (165:186, 15%)

7 duplicated lines in:
  - oak-exercise/src/main/java/org/apache/jackrabbit/oak/exercise/security/authorization/models/simplifiedroles/ThreeRolesPermissionProvider.java (172:180, 4%)
  - oak-security-spi/src/main/java/org/apache/jackrabbit/oak/spi/security/authorization/permission/EmptyPermissionProvider.java (56:64, 25%)

7 duplicated lines in:
  - oak-exercise/src/main/java/org/apache/jackrabbit/oak/exercise/security/authorization/models/readonly/ReadOnlyAuthorizationConfiguration.java (292:300, 4%)
  - oak-security-spi/src/main/java/org/apache/jackrabbit/oak/spi/security/authorization/permission/EmptyPermissionProvider.java (56:64, 25%)