blueprint/blueprint-core/src/main/java/org/apache/aries/blueprint/ext/AbstractPropertyPlaceholderExt.java [277:389]:
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            } finally {
            processingStack.removeLast();
            }
        }
        return component;
    }
    
    protected Metadata processPropsMetadata(PropsMetadata metadata) {
      
        List<MapEntry> entries = new ArrayList<MapEntry>(metadata.getEntries());
        if(! entries.isEmpty()) {
          
            try {
                if(metadata instanceof MutablePropsMetadata) {
                    processingStack.add("Properties->");
                    MutablePropsMetadata mpm = (MutablePropsMetadata) metadata;
                
                    for (MapEntry entry : entries) {
                        mpm.removeEntry(entry);
                    }
                    for (MapEntry entry : processMapEntries(entries)) {
                        mpm.addEntry(entry);
                    }
                } else {
                    printWarning(metadata, "Properties");
                    processingStack.add("Properties->");
                    processMapEntries(entries);
                }
            } finally {
              processingStack.removeLast();
            }
        }
        return metadata;
    }

    protected Metadata processMapMetadata(MapMetadata metadata) {
        List<MapEntry> entries = new ArrayList<MapEntry>(metadata.getEntries());
        if(! entries.isEmpty()) {
          
            try {
                if(metadata instanceof MutableMapMetadata) {
                    processingStack.add("Map->");
                    MutableMapMetadata mmm = (MutableMapMetadata) metadata;
                
                    for (MapEntry entry : entries) {
                        mmm.removeEntry(entry);
                    }
                    for (MapEntry entry : processMapEntries(entries)) {
                        mmm.addEntry(entry);
                    }
                } else {
                    printWarning(metadata, "Map");
                    processingStack.add("Map->");
                    processMapEntries(entries);
                }
            } finally {
              processingStack.removeLast();
            }
        }
        return metadata;
    }

    protected List<MapEntry> processMapEntries(List<MapEntry> entries) {
        for (MapEntry entry : entries) {
            try {
                processingStack.add("Map Entry Key: " + entry.getKey() + " Value: " + entry.getValue() + "->" );
            
                if(entry instanceof MutableMapEntry) {
                    ((MutableMapEntry) entry).setKey((NonNullMetadata) processMetadata(entry.getKey()));
                    ((MutableMapEntry) entry).setValue(processMetadata(entry.getValue()));
                } else {
                  printWarning(entry, "Map Entry");
                  processMetadata(entry.getKey());
                  processMetadata(entry.getValue());
                }
            } finally {
                processingStack.removeLast();
            }
        }
        return entries;
    }

    protected Metadata processCollectionMetadata(CollectionMetadata metadata) {
      
        List<Metadata> values = new ArrayList<Metadata>(metadata.getValues());
        if(! values.isEmpty()) {
        
            try {
                if(metadata instanceof MutableCollectionMetadata) {
                    processingStack.add("Collection type: " + metadata.getValueType() + "->");
                    MutableCollectionMetadata mcm = (MutableCollectionMetadata) metadata;
                
                    for (Metadata value : values) {
                        mcm.removeValue(value);
                    }
                    for (Metadata value : values) {
                        mcm.addValue(processMetadata(value));
                    }
                } else {
                    printWarning(metadata, "Collection type: " + metadata.getValueType());
                    processingStack.add("Collection type: " + metadata.getValueType() + "->");
                    for (Metadata value : values) {
                       processMetadata(value);
                    }
                }
            } finally {
              processingStack.removeLast();
            }
        }
        return metadata;
    }

    protected Metadata processValueMetadata(ValueMetadata metadata) {
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blueprint/blueprint-noosgi/src/main/java/org/apache/aries/blueprint/ext/AbstractPropertyPlaceholder.java [190:303]:
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            } finally {
                processingStack.removeLast();
            }
        }

        return component;
    }

    protected Metadata processPropsMetadata(PropsMetadata metadata) {

        List<MapEntry> entries = new ArrayList<MapEntry>(metadata.getEntries());
        if(! entries.isEmpty()) {

            try {
                if(metadata instanceof MutablePropsMetadata) {
                    processingStack.add("Properties->");
                    MutablePropsMetadata mpm = (MutablePropsMetadata) metadata;

                    for (MapEntry entry : entries) {
                        mpm.removeEntry(entry);
                    }
                    for (MapEntry entry : processMapEntries(entries)) {
                        mpm.addEntry(entry);
                    }
                } else {
                    printWarning(metadata, "Properties");
                    processingStack.add("Properties->");
                    processMapEntries(entries);
                }
            } finally {
                processingStack.removeLast();
            }
        }
        return metadata;
    }

    protected Metadata processMapMetadata(MapMetadata metadata) {
        List<MapEntry> entries = new ArrayList<MapEntry>(metadata.getEntries());
        if(! entries.isEmpty()) {

            try {
                if(metadata instanceof MutableMapMetadata) {
                    processingStack.add("Map->");
                    MutableMapMetadata mmm = (MutableMapMetadata) metadata;

                    for (MapEntry entry : entries) {
                        mmm.removeEntry(entry);
                    }
                    for (MapEntry entry : processMapEntries(entries)) {
                        mmm.addEntry(entry);
                    }
                } else {
                    printWarning(metadata, "Map");
                    processingStack.add("Map->");
                    processMapEntries(entries);
                }
            } finally {
                processingStack.removeLast();
            }
        }
        return metadata;
    }

    protected List<MapEntry> processMapEntries(List<MapEntry> entries) {
        for (MapEntry entry : entries) {
            try {
                processingStack.add("Map Entry Key: " + entry.getKey() + " Value: " + entry.getValue() + "->" );

                if(entry instanceof MutableMapEntry) {
                    ((MutableMapEntry) entry).setKey((NonNullMetadata) processMetadata(entry.getKey()));
                    ((MutableMapEntry) entry).setValue(processMetadata(entry.getValue()));
                } else {
                    printWarning(entry, "Map Entry");
                    processMetadata(entry.getKey());
                    processMetadata(entry.getValue());
                }
            } finally {
                processingStack.removeLast();
            }
        }
        return entries;
    }

    protected Metadata processCollectionMetadata(CollectionMetadata metadata) {

        List<Metadata> values = new ArrayList<Metadata>(metadata.getValues());
        if(! values.isEmpty()) {

            try {
                if(metadata instanceof MutableCollectionMetadata) {
                    processingStack.add("Collection type: " + metadata.getValueType() + "->");
                    MutableCollectionMetadata mcm = (MutableCollectionMetadata) metadata;

                    for (Metadata value : values) {
                        mcm.removeValue(value);
                    }
                    for (Metadata value : values) {
                        mcm.addValue(processMetadata(value));
                    }
                } else {
                    printWarning(metadata, "Collection type: " + metadata.getValueType());
                    processingStack.add("Collection type: " + metadata.getValueType() + "->");
                    for (Metadata value : values) {
                        processMetadata(value);
                    }
                }
            } finally {
                processingStack.removeLast();
            }
        }
        return metadata;
    }

    protected Metadata processValueMetadata(ValueMetadata metadata) {
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