Duplicate identifier 'export='.

Hi there, this is my first time write a library for the community.
But I get this error while compiling in my project.
```
ERROR in /Users/crossrt/www/konnected-steps/node_modules/@types/jquery/index.d.ts (3779,5): Duplicate identifier 'export='.

ERROR in /Users/crossrt/www/konnected-steps/node_modules/ng2-validation-message/node_modules/@types/jquery/index.d.ts (745,5): Duplicate string index signature.

ERROR in /Users/crossrt/www/konnected-steps/node_modules/ng2-validation-message/node_modules/@types/jquery/index.d.ts (3350,5): Duplicate string index signature.

ERROR in /Users/crossrt/www/konnected-steps/node_modules/ng2-validation-message/node_modules/@types/jquery/index.d.ts (3351,5): Duplicate number index signature.

ERROR in /Users/crossrt/www/konnected-steps/node_modules/ng2-validation-message/node_modules/@types/jquery/index.d.ts (3779,5): Duplicate identifier 'export='.

ERROR in Error encountered resolving symbol values statically. Calling function 'ɵmakeDecorator', function calls are not supported. Consider replacing the function or lambda with a reference to an exported function, resolving symbol NgModule in /Users/crossrt/www/konnected-steps/node_modules/ng2-validation-message/node_modules/@angular/core/core.d.ts, resolving symbol Ng2ValidationMessage in /Users/crossrt/www/konnected-steps/node_modules/ng2-validation-message/index.ts, resolving symbol Ng2ValidationMessage in /Users/crossrt/www/konnected-steps/node_modules/ng2-validation-message/index.ts
```

I guess this is due to my project and library already installed with jquery type, which causes both project conflict.
Any idea to solve this problem?

Start by comparing the two @types/jquery/index.d.ts copies named in the compiler output and inspect ng2-validation-message/index.ts together with @angular/core/core.d.ts. Reproduce the compilation failure, then verify that the generated library no longer produces the duplicate declaration and static symbol-resolution errors.

Written by the indexing model from the issue text.