LKS 1994 - EPSG:4126

WKT

GEOGCS["GCS_LKS_1994", 
	DATUM["D_Lithuania_1994", 
		SPHEROID["GRS_1980", 6378137.0, 298.257222101]], 
	PRIMEM["Greenwich", 0.0], 
	UNIT["Degree", 0.0174532925199433]]

WKT2

GEOGCRS["GCS_LKS_1994", 
	DATUM["D_Lithuania_1994", 
		ELLIPSOID["GRS_1980", 6378137.0, 298.257222101]], 
	PRIMEM["Greenwich", 0.0], 
	CS[ellipsoidal, 2], 
	AXIS["Latitude (lat)", north, 
		ORDER[1]], 
	AXIS["Longitude (lon)", east, 
		ORDER[2]], 
	ANGLEUNIT["Degree", 0.0174532925199433], 
	ID["EPSG", "4669"]]

Data from @esri/proj-codes

{
  "wkid": 4126,
  "latestWkid": 4669,
  "macro": "PE_GCS_LKS_1994",
  "name": "GCS_LKS_1994",
  "wkt": "GEOGCS[\"GCS_LKS_1994\",DATUM[\"D_Lithuania_1994\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]]",
  "wkt2": "GEOGCRS[\"GCS_LKS_1994\",DATUM[\"D_Lithuania_1994\",ELLIPSOID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433],ID[\"EPSG\",\"4669\"]]",
  "description": "LKS 1994",
  "authority": "EPSG",
  "version": "4.0(8.0.1)",
  "deprecated": "codechange",
  "areaname": "Lithuania",
  "extent": {
    "slat": 53.89,
    "nlat": 56.45,
    "llon": 19.02,
    "rlon": 26.82
  }
}