function validate( node ) {
		var requirePath;

		if ( node.callee.name === 'require' ) {
			requirePath = node.arguments[ 0 ].value;
			if (
				isString( requirePath ) &&
				startsWith( requirePath, '@stdlib' ) &&
				contains( requirePath, '/lib/' )
			) {
				report( node );
			}
		}
	}
Checks whether require path walks internals of a stdlib package.

@private
@param {ASTNode} node - node to examine