function getVisitorKeys(visitorKeys, node) {
    let keys = visitorKeys[node.type];

    if (!keys) {
        keys = vk.getKeys(node);
        debug("Unknown node type \"%s\": Estimated visitor keys %j", node.type, keys);
    }

    return keys;
}
function getVisitorKeys(visitorKeys, node) {
    let keys = visitorKeys[node.type];

    if (!keys) {
        keys = vk.getKeys(node);
        debug("Unknown node type \"%s\": Estimated visitor keys %j", node.type, keys);
    }

    return keys;
}
function getVisitorKeys ( visitorKeys , node ) { let keys = visitorKeys [ node . type ] ; if ( ! keys ) { keys = vk . getKeys ( node ) ; debug ( "Unknown node type \"%s\": Estimated visitor keys %j" , node . type , keys ) ; } return keys ; }
Get the visitor keys of a given node.
@param {Object} visitorKeys The map of visitor keys.
@param {ASTNode} node The node to get their visitor keys.
@returns {string[]} The visitor keys of the node.
Get the visitor keys of a given node .
Get the visitor keys for a node