## Uses of Class
com.pdfunit.xml.XPathExpression

- Packages that use XPathExpression
  Package | Description
  --- | ---
  com.pdfunit.messages | Classes for error messages, used as a key in messages.properties.
  com.pdfunit.validators | Classes implementing validations on specific topics of PDF.

- - ### Uses of XPathExpression in com.pdfunit.messages

    Constructors in com.pdfunit.messages with parameters of type XPathExpression
    Constructor and Description
    `XFADataMatchingMessage(com.pdfunit.internal.spi.IDocument testDocument, XPathExpression xpath)`
    `XMPDataMatchingMessage(com.pdfunit.internal.spi.IDocument testDocument, XPathExpression xpath)`
    `ZugferdDataMatchingMessage(com.pdfunit.internal.spi.IDocument testDocument, XPathExpression xpath)`

  - ### Uses of XPathExpression in com.pdfunit.validators

    Methods in com.pdfunit.validators with parameters of type XPathExpression
    Modifier and Type | Method and Description
    --- | ---
    `CompareXFAValidator` | CompareXFAValidator.`matchingXPath(XPathExpression xpath)` This method does what the name suggests.
    `CompareXMPValidator` | CompareXMPValidator.`matchingXPath(XPathExpression xpath)` This method does what the name suggests.
    `MultiDocumentXFAValidator` | MultiDocumentXFAValidator.`matchingXPath(XPathExpression xpath)` This method processes the given XPath expression against the XFA data of each PDF document.
    `MultiDocumentXMPValidator` | MultiDocumentXMPValidator.`matchingXPath(XPathExpression xpath)` This method processes the given XPath expression against the XMP data of each PDF document.
    `MultiDocumentZugferdValidator` | MultiDocumentZugferdValidator.`matchingXPath(XPathExpression xpath)` This method processes the given XPath expression against the XMP data of each PDF document.
    `XFAValidator` | XFAValidator.`matchingXPath(XPathExpression xpath)` This method processes the given XPath expression against the XFA data of the current PDF document.
    `XMPValidator` | XMPValidator.`matchingXPath(XPathExpression xpath)` This method prcesses the given XPath expression against the XMP data of the current PDF document.
    `ZugferdValidator` | ZugferdValidator.`matchingXPath(XPathExpression xpath)` This method prcesses the given XPath expression against the XMP data of the current PDF document.

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