public AccessPreviewFinding withExistingFindingId(String existingFindingId) {
        setExistingFindingId(existingFindingId);
        return this;
    }
<p>
The existing ID of the finding in IAM Access Analyzer, provided only for existing findings.
</p>

@param existingFindingId
       The existing ID of the finding in IAM Access Analyzer, provided only for existing findings.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-accessanalyzer/src/main/java/com/amazonaws/services/accessanalyzer/model/AccessPreviewFinding.java