blueprint/blueprint-core/src/main/java/org/apache/aries/blueprint/ext/AbstractPropertyPlaceholderExt.java [284:310]:
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    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;
    }
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blueprint/blueprint-noosgi/src/main/java/org/apache/aries/blueprint/ext/AbstractPropertyPlaceholder.java [198:224]:
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    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;
    }
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