Optional
configs: anyProtected
configsProtected
modelProtected
parentProtected
servicesProtected
getProtected
getReturns the index for a maximum length substring that is less than the width parameter.
the title node used for getting the text lengths of substrings
the start index for the binary search
the end index for the binary search
the width of the svg container that holds the title
graphs used in combo charts share a model with global options but can receive their own local options. this function retrieves the global options and merges it with any options passed into this component's config.options object.