src/main/java/org/apache/xmlbeans/impl/schema/StscChecker.java [1064:1100]:
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                    break;
                case SchemaParticle.ALL:
                case SchemaParticle.SEQUENCE:
                    maxRange = getEffectiveMaxRangeAllSeq(particle);
                    if (maxRange != null) {
                        // keep highest maxoccurs found
                        if (maxRange.compareTo(maxOccursInGroup) > 0) {
                            maxOccursInGroup = maxRange;
                        }
                    }
                    break;
                case SchemaParticle.CHOICE:
                    maxRange = getEffectiveMaxRangeChoice(particle);
                    if (maxRange != null) {
                        // keep highest maxoccurs found
                        if (maxRange.compareTo(maxOccursInGroup) > 0) {
                            maxOccursInGroup = maxRange;
                        }
                    }
                    break;
                default:
                    break;
            }
            // if an unbounded has been found then we are done
            if (maxRange == null) {
                break;
            }
        }

        // 1) unbounded if the {max occurs} of any wildcard or element declaration particle in the group's {particles} or
        // the maximum part of the effective total range of any of the group particles in the group's {particles} is
        // unbounded
        if (maxRange != null) {
            // 2) if any of those is non-zero and the {max occurs} of the particle itself is unbounded
            if (nonZeroParticleChildFound && derivedModel.getMaxOccurs() == null) {
                maxRange = null;
            } else {
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src/main/java/org/apache/xmlbeans/impl/schema/StscChecker.java [1142:1178]:
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                    break;
                case SchemaParticle.ALL:
                case SchemaParticle.SEQUENCE:
                    maxRange = getEffectiveMaxRangeAllSeq(particle);
                    if (maxRange != null) {
                        // keep highest maxoccurs found
                        if (maxRange.compareTo(maxOccursInGroup) > 0) {
                            maxOccursInGroup = maxRange;
                        }
                    }
                    break;
                case SchemaParticle.CHOICE:
                    maxRange = getEffectiveMaxRangeChoice(particle);
                    if (maxRange != null) {
                        // keep highest maxoccurs found
                        if (maxRange.compareTo(maxOccursInGroup) > 0) {
                            maxOccursInGroup = maxRange;
                        }
                    }
                    break;
                default:
                    break;
            }
            // if an unbounded has been found then we are done
            if (maxRange == null) {
                break;
            }
        }

        // 1) unbounded if the {max occurs} of any wildcard or element declaration particle in the group's {particles} or
        // the maximum part of the effective total range of any of the group particles in the group's {particles} is
        // unbounded
        if (maxRange != null) {
            // 2) if any of those is non-zero and the {max occurs} of the particle itself is unbounded
            if (nonZeroParticleChildFound && derivedModel.getMaxOccurs() == null) {
                maxRange = null;
            } else {
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