Indicates that the input data is a search request. This occurs when dtsSearchApplyLanguageAnalyzer was set in a search, and the language analyzer is being called to process the search request.
dtsLaInputIsDocumentData = 0x0002
Indicates that the input data is from a document that is being indexed.
dtsLaInputIsFirstBlockInDocument = 0x0004
Input data is the first block of data in a document
dtsLaInputIsSearchTerm = 0x0008
Indicates that the input data is a single word or phrase from a search request. This occurs when dtsSearchLanguageAnalyzerSynonyms was set in a search, and the language analyzer is being called to process each term in the search request.