findTarget(moduleGraph, validTargetModuleFilter) {
		return this._findTarget(moduleGraph, validTargetModuleFilter, new Set());
	}
@param {ModuleGraph} moduleGraph the module graph
@param {ValidTargetModuleFilter} validTargetModuleFilter a valid target module
@returns {TargetItemWithoutConnection | null | undefined | false} the target, undefined when there is no target, false when no target is valid