Type Alias Expression

Expression:
    | ArrayExpression
    | DictExpression
    | FunctionExpression
    | BinaryExpression
    | CallExpression
    | ConditionalExpression
    | LogicalExpression
    | MemberExpression
    | IndexExpression
    | ObjectExpression
    | ParenExpression
    | PipeExpression
    | UnaryExpression
    | BooleanLiteral
    | DateTimeLiteral
    | DurationLiteral
    | FloatLiteral
    | IntegerLiteral
    | PipeLiteral
    | RegexpLiteral
    | StringLiteral
    | UnsignedIntegerLiteral
    | Identifier