tprovide directive is not available in the Java API.
def tprovide[L: Tuple](values: L): Directive[L]
Provides a tuple of values to the inner route.
tprovide directive is used as a building block for Custom Directives to provide data to the inner route. To provide just one value use the provide directive. If you want to provide values calculated from the RequestContextRequestContext use the textract directive instead.
See Providing Values to Inner Routes for an overview of similar directives.
See also provide for providing a single value.