whole_func_string: function toName(type, path) {
      const baseName = path.join(".")
      return type === ReferenceTracker.CALL
          ? `${baseName}()`
          : type === ReferenceTracker.CONSTRUCT
              ? `new ${baseName}()`
              : baseName
  }
func_code_string: function toName(type, path) {
      const baseName = path.join(".")
      return type === ReferenceTracker.CALL
          ? `${baseName}()`
          : type === ReferenceTracker.CONSTRUCT
              ? `new ${baseName}()`
              : baseName
  }
func_documentation_string: Convert a given path to name.
  @param {symbol} type The report type.
  @param {string[]} path The property access path.
  @returns {string} The name.