luhn-generator/update/node_modules/rxjs/internal/symbol/observable.d.ts

A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm

/** Symbol.observable addition */
declare global {
    interface SymbolConstructor {
        readonly observable: symbol;
    }
}
/** Symbol.observable or a string "@@observable". Used for interop */
export declare const observable: string | symbol;