Interface ExportDefaultDeclaration

interface ExportDefaultDeclaration {
    declaration:
        | MaybeNamedClassDeclaration
        | Expression
        | MaybeNamedFunctionDeclaration;
    leadingComments?: Comment[];
    loc?: null
    | SourceLocation;
    range?: [number, number];
    trailingComments?: Comment[];
    type: "ExportDefaultDeclaration";
}