polaris-synchronizer/api/src/main/java/org/apache/polaris/tools/sync/polaris/planning/AccessControlAwarePlanner.java [99:137]:
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    List<PrincipalRole> skippedRoles = new ArrayList<>();
    List<PrincipalRole> filteredRolesSource = new ArrayList<>();
    List<PrincipalRole> filteredRolesTarget = new ArrayList<>();

    for (PrincipalRole role : assignedPrincipalRolesOnSource) {
      // filter out assignment to omnipotent principal role
      if (role.getProperties() != null
              && role.getProperties().containsKey(AccessControlConstants.OMNIPOTENCE_PROPERTY)) {
        skippedRoles.add(role);
        continue;
      }

      // filter out assignment to service admin
      if (role.getName().equals("service_admin")) {
        skippedRoles.add(role);
        continue;
      }

      filteredRolesSource.add(role);
    }

    for (PrincipalRole role : assignedPrincipalRolesOnTarget) {
      // filer out assignment to omnipotent principal role
      if (role.getProperties() != null
              && role.getProperties().containsKey(AccessControlConstants.OMNIPOTENCE_PROPERTY)) {
        skippedRoles.add(role);
        continue;
      }

      // filter out assignment to service admin
      if (role.getName().equals("service_admin")) {
        skippedRoles.add(role);
        continue;
      }

      filteredRolesTarget.add(role);
    }

    SynchronizationPlan<PrincipalRole> delegatedPlan =
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polaris-synchronizer/api/src/main/java/org/apache/polaris/tools/sync/polaris/planning/AccessControlAwarePlanner.java [258:296]:
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    List<PrincipalRole> skippedRoles = new ArrayList<>();
    List<PrincipalRole> filteredRolesSource = new ArrayList<>();
    List<PrincipalRole> filteredRolesTarget = new ArrayList<>();

    for (PrincipalRole role : assignedPrincipalRolesOnSource) {
      // filter out assignment to omnipotent catalog role
      if (role.getProperties() != null
          && role.getProperties().containsKey(AccessControlConstants.OMNIPOTENCE_PROPERTY)) {
        skippedRoles.add(role);
        continue;
      }

      // filter out assignment to service admin
      if (role.getName().equals("service_admin")) {
        skippedRoles.add(role);
        continue;
      }

      filteredRolesSource.add(role);
    }

    for (PrincipalRole role : assignedPrincipalRolesOnTarget) {
      // filer out assignment to omnipotent principal role
      if (role.getProperties() != null
          && role.getProperties().containsKey(AccessControlConstants.OMNIPOTENCE_PROPERTY)) {
        skippedRoles.add(role);
        continue;
      }

      // filter out assignment to service admin
      if (role.getName().equals("service_admin")) {
        skippedRoles.add(role);
        continue;
      }

      filteredRolesTarget.add(role);
    }

    SynchronizationPlan<PrincipalRole> delegatedPlan =
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