init( _ unexpectedBeforeBase: UnexpectedNodesSyntax? = nil, base: ExprSyntax?, _ unexpectedBetweenBaseAndDot: UnexpectedNodesSyntax? = nil, dot: TokenSyntax, _ unexpectedBetweenDotAndName: UnexpectedNodesSyntax? = nil, name: TokenSyntax, _ unexpectedBetweenNameAndDeclNameArguments: UnexpectedNodesSyntax? = nil, declNameArguments: DeclNameArgumentsSyntax?, _ unexpectedAfterDeclNameArguments: UnexpectedNodesSyntax? = nil ) {
なるほどね。