static isValid(value) {
      return /^(auto|inherit|[-+]?(0*|([0-9]+|[0-9]*\.[0-9]+)([rR][eE][mM]|[eE][mM]|[eE][xX]|[pP][xX]|[cC][mM]|[mM][mM]|[iI][nN]|[pP][tT]|[pP][cC]|%))|calc\(\s*(\(\s*)*[-+]?(([0-9]+|[0-9]*\.[0-9]+)([rR][eE][mM]|[eE][mM]|[eE][xX]|[pP][xX]|[cC][mM]|[mM][mM]|[iI][nN]|[pP][tT]|[pP][cC]|%)?)(\s*(\)\s*)*(\s[-+]\s|[*\/])\s*(\(\s*)*([-+]?(([0-9]+|[0-9]*\.[0-9]+)([rR][eE][mM]|[eE][mM]|[eE][xX]|[pP][xX]|[cC][mM]|[mM][mM]|[iI][nN]|[pP][tT]|[pP][cC]|%)?)))*\s*(\)\s*)*\))$/.test(value); // eslint-disable-line
    }
@class
CSSSize data type.

@extends sap.ui.webc.base.types.DataType
@constructor
@author SAP SE
@alias sap.ui.webc.base.types.CSSSize
@public