Expressions []*AliasedExpression `parser:"| @@ { \",\" @@ }"`
}

// TableExpression represents the FROM clause
type TableExpression struct {
	Table *JSONPath `parser:"@@"`
	As    string    `parser:"( \"AS\"? @Ident )?"`
}

// JSONPathElement represents a keypath component
type JSONPathElement struct {
	Key            *ObjectKey `parser:"  @@"`               // ['name'] and .name forms