@polyfill-io-aot/builder/src/interfaces/Diff.d.ts

This is the builder module for polyfill-io-aot.

/** @see http://ideasintosoftware.com/typescript-advanced-tricks/ */
export declare type Diff<T extends (string | number | symbol), U extends (string | number | symbol)> = ({
    [P in T]: P;
} & {
    [P in U]: never;
} & {
    [x: string]: never;
})[T];