Class StringFilterBuilder

// Builds a case insensitive string filter to filter column "Col1".
const stringFilter = Charts.newStringFilter()
                         .setFilterColumnLabel('Col1')
                         .setCaseSensitive(false)
                         .build();

// Builds a string filter to filter column "Col1" matching the prefix.
const stringFilter = Charts.newStringFilter()
                         .setFilterColumnLabel('Col1')
                         .setMatchType(Charts.MatchType.PREFIX)
                         .build();

// Builds a string filter to filter column "Col1" that checks the match any time
// a key is pressed.
const stringFilter = Charts.newStringFilter()
                         .setFilterColumnLabel('Col1')
                         .setRealtimeTrigger(true)
                         .build();