OptionalfileRestrict reported usages to a single file (absolute path; a .ts source
file or an external .html template). Declarations are still looked up
across the whole project.
OptionalincludeInclude Angular template usages. Defaults to true.
OptionalincludeInclude same-name identifiers that do not resolve to a symbol. Defaults to true.
OptionalusageRestrict results to a specific usage type. When omitted, all usage types are returned.
Options for narrowing UsageFinder.findUsages results.