import { Result } from 'neverthrow';
import { Observable } from 'rxjs';
export declare const hasRequiredProps: <T extends Record<string, unknown>>(methodName: string, obj: T, props: string[]) => Result<T, Error[]>;
export declare const retryOnErrorCode: ({ maxRetryAttempts, scalingDuration, errorCodes, }?: {
    maxRetryAttempts?: number | undefined;
    scalingDuration?: number | undefined;
    errorCodes?: number[] | undefined;
}) => (attempts: Observable<{
    error: {
        code: number;
    };
}>) => Observable<0>;
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