lessEnv.put("optimization", lessEnv, options.getOptimization()); lessEnv.put("sourceMap", lessEnv, options.isSourceMap()); lessEnv.put("sourceMapRootpath", lessEnv, options.getSourceMapRootpath()); lessEnv.put("sourceMapBasepath", lessEnv, options.getSourceMapBasepath()); lessEnv.put("sourceMapURL", lessEnv, options.getSourceMapUrl());