TS1036
Statements are not allowed in ambient contexts.
When defining the shape of a module that is just a declaration, statements aren't allowed as the represent "functional" code versus the "shape" of the module. For example the following is an error:
declare module "some-npm-module" {
export const a = 1;
a; // Error
}Fix: Remove statements.
Remove any statements:
declare module "some-npm-module" {
export const a = 1;
}