export declare const installPath: (env: Record<string, string | undefined>, api: string) => string | undefined;
export declare const readStoredInstallId: (env: Record<string, string | undefined>, api: string) => Promise<string | undefined>;
/** Failures answer undefined: attribution is never worth breaking a push. */
export declare const readInstallId: (env: Record<string, string | undefined>, api: string) => Promise<string | undefined>;
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