Gets the default keyword or throws if none exists.
Optionalmessage: string | (() => string)Gets the export keyword or throws if none exists.
Optionalmessage: string | (() => string)If the node has the default keyword.
If the node has the export keyword.
Gets if this node is a default export of a file.
Gets if the node is exported from a namespace, is a default export, or is a named export.
Gets if this node is a named export of a file.
Gets the default keyword or undefined if none exists.