Avoids redundant copying of declaration files
Avoids redundant copying of declaration files

rbirkby/typescript,popravich/typescript,popravich/typescript,tarruda/typescript,hippich/typescript,guidobouman/typescript,mbebenita/shumway.ts,mbrowne/typescript-dci,fdecampredon/jsx-typescript-old-version,turbulenz/typescript,mbrowne/typescript-dci,popravich/typescript,turbulenz/typescript,tarruda/typescript,hippich/typescript,hippich/typescript,turbulenz/typescript,fdecampredon/jsx-typescript-old-version,guidobouman/typescript,rbirkby/typescript,vcsjones/typescript,mbebenita/shumway.ts,tarruda/typescript,mbrowne/typescript-dci,guidobouman/typescript,mbebenita/shumway.ts,rbirkby/typescript,fdecampredon/jsx-typescript-old-version,mbrowne/typescript-dci