Enforce caller to provide generic type, where the generic type is also used as a type of one of the params. This also prevents type inference from the caller's param type.

force_generic_type_input.ts

// Enforce caller to provide generic type, where the generic type is also used as a type of one of the params.
// This also prevents type inference from the caller's param type.
async sendMessage<T = never, P extends T = T>(
  param1: string,
  param2: P
) {}