12650 		var mapping = gantt._resolve_default_mapping(config);
12659 		var constraintDate = task[mapping.constraint_date] || new Date();
12662 		var constraintType = task[mapping.constraint_type] || gantt.getConstraintType(task);
12745 		var mapping;
12802 		mapping = gantt._resolve_default_mapping(config);
12803 		if (typeof(mapping) === "string") mapping = {start_date: mapping};
12805 		start_date = ev[mapping.start_date] || new Date();
12806 		end_date = ev[mapping.end_date] || gantt.calculateEndDate({
12811 		duration_val = Math.round(ev[mapping.duration]) || gantt.calculateDuration({
13224 		var mapping = gantt._resolve_default_mapping(config);
13226 		if (typeof (mapping) === "string") mapping = { start_date: mapping };
13228 		var start_date = ev[mapping.start_date] || new Date();
13229 		var end_date = ev[mapping.end_date] || gantt.calculateEndDate({
13646 		var mapping = section.map_to;
13650 				mapping = { start_date: "start_date", end_date: "end_date", duration: "duration" };  class in gantt._resolve_default_mapping
13652 				mapping = { start_date: section.map_to };  class in gantt._resolve_default_mapping
13656 				mapping = { constraint_type: "constraint_type", constraint_date: "constraint_date" };  class in gantt._resolve_default_mapping
13660 		return mapping;
14166 				var mapping = gantt._resolve_default_mapping(section);
14167 …if (!task[mapping.start_date] || (mapping.start_date == "start_date" && this._isAllowedUnscheduled…
14171 					for (var i in mapping) {
14173 						val[mapping[i]] = task[i];
17513 				var mapping = keyboardMapping.getMapping();
17514 				if(mapping.init){
17515 					mapping.init(this, grid);
17600 				var mapping = keyboardMapping.getMapping();
17601 				if(mapping.onShow){
17602 					mapping.onShow(this, placeholder, grid);
17666 				var mapping = keyboardMapping.getMapping();
17667 				if(mapping.onHide){
17668 					mapping.onHide(this, this._placeholder, grid);
18302 	var mapping = null;
18306 			mapping = map;
18310 			if(mapping){
18311 				return mapping;