original file
-----------------------------------
interface I {
  $fieldName: string;
  $getFieldViewCtrl: () => FieldView;
}
-----------------------------------

Grammar: TypeScript.tmLanguage
-----------------------------------
>interface I {
 ^^^^^^^^^
 source.ts meta.class.ts storage.type.interface.ts
          ^
          source.ts meta.class.ts
           ^
           source.ts meta.class.ts entity.name.type.class.ts
            ^
            source.ts meta.class.ts
             ^
             source.ts meta.class.ts punctuation.definition.block.ts
              ^^
              source.ts meta.class.ts
>  $fieldName: string;
 ^^
 source.ts meta.class.ts
   ^^^^^^^^^^
   source.ts meta.class.ts meta.field.declaration.ts variable.object.property.ts
             ^
             source.ts meta.class.ts meta.field.declaration.ts meta.type.annotation.ts keyword.operator.type.annotation.ts
              ^
              source.ts meta.class.ts meta.field.declaration.ts meta.type.annotation.ts
               ^^^^^^
               source.ts meta.class.ts meta.field.declaration.ts meta.type.annotation.ts support.type.primitive.ts
                     ^
                     source.ts meta.class.ts punctuation.terminator.statement.ts
                      ^^
                      source.ts meta.class.ts
>  $getFieldViewCtrl: () => FieldView;
 ^^
 source.ts meta.class.ts
   ^^^^^^^^^^^^^^^^^
   source.ts meta.class.ts meta.field.declaration.ts variable.object.property.ts
                    ^
                    source.ts meta.class.ts meta.field.declaration.ts meta.type.annotation.ts keyword.operator.type.annotation.ts
                     ^
                     source.ts meta.class.ts meta.field.declaration.ts meta.type.annotation.ts meta.type.function.ts
                      ^
                      source.ts meta.class.ts meta.field.declaration.ts meta.type.annotation.ts meta.type.function.ts meta.parameters.ts punctuation.definition.parameters.begin.ts
                       ^
                       source.ts meta.class.ts meta.field.declaration.ts meta.type.annotation.ts meta.type.function.ts meta.parameters.ts punctuation.definition.parameters.end.ts
                        ^
                        source.ts meta.class.ts meta.field.declaration.ts meta.type.annotation.ts
                         ^^
                         source.ts meta.class.ts meta.field.declaration.ts meta.type.annotation.ts meta.type.function.return.ts storage.type.function.arrow.ts
                           ^
                           source.ts meta.class.ts meta.field.declaration.ts meta.type.annotation.ts meta.type.function.return.ts
                            ^^^^^^^^^
                            source.ts meta.class.ts meta.field.declaration.ts meta.type.annotation.ts meta.type.function.return.ts entity.name.type.ts
                                     ^
                                     source.ts meta.class.ts punctuation.terminator.statement.ts
                                      ^^
                                      source.ts meta.class.ts
>}
 ^
 source.ts meta.class.ts punctuation.definition.block.ts