import { UpgradesError } from './error';
import { EthereumProvider } from './provider';
export declare class EIP1967ImplementationNotFound extends UpgradesError {
}
export declare class EIP1967BeaconNotFound extends UpgradesError {
}
export declare function getAdminAddress(provider: EthereumProvider, address: string): Promise<string>;
export declare function getImplementationAddress(provider: EthereumProvider, address: string): Promise<string>;
export declare function getBeaconAddress(provider: EthereumProvider, address: string): Promise<string>;
export declare function toFallbackEip1967Hash(label: string): string;
export declare function toEip1967Hash(label: string): string;
export declare function isEmptySlot(storage: string): boolean;
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