function isRequireCall(expression) {
        // of the form 'require("name")'
        return expression.kind === 168 /* CallExpression */ &&
            expression.expression.kind === 69 /* Identifier */ &&
            expression.expression.text === "require" &&
            expression.arguments.length === 1 &&
            expression.arguments[0].kind === 9 /* StringLiteral */;
    }
Returns true if the node is a CallExpression to the identifier 'require' with
exactly one string literal argument.
This function does not test if the node is in a JavaScript file or not.