Converts a match based flat mapping to a declarative flat mapping
the match based flat mapping is a more flexible way to define mappings upon tables that
can change over time, where a column index is not a stable identifier
in order to use the flat mapping, column indices need to resolved based on the given
titles or title patterns within the table header, this is done by the columnMatcher
Converts a match based flat mapping to a declarative flat mapping
the match based flat mapping is a more flexible way to define mappings upon tables that can change over time, where a column index is not a stable identifier
in order to use the flat mapping, column indices need to resolved based on the given titles or title patterns within the table header, this is done by the columnMatcher