File Content Extraction 25.4
Filter SDK C++ Programming Guide

# is_superseded

A Boolean value that specifies whether this element has been superseded, meaning that this element exists only to preserve backwards compatibility. An element can be superseded to fix issues with the key or value type. When this value is `true`, the same metadata is available through an improved element in the same Metadata object.

## Syntax

    bool is_superseded() const;

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Version 25.4 | Last updated October 2025

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Product: File Content Extraction 25.4

Topic Title: is_superseded