npm-check-updates/build/src/types/IgnoredUpgrade.d.ts

Find newer versions of dependencies than what your package.json allows

import { Index } from './IndexType';
import { Version } from './Version';
/** An object that represents an upgrade that was ignored, along with the reason. */
export interface IgnoredUpgrade {
    from: Version;
    to: Version;
    reason: Index<string>;
}