import { CSM_SUPPORTED_CHAINS } from '../../common/index.js';
export declare const saveKeys: (pubKeys: string[], chainId: CSM_SUPPORTED_CHAINS, blockNumber: number) => void;
export declare const removeKeys: (pubKeys: string[], chainId: CSM_SUPPORTED_CHAINS, blockNumber: number) => void;
export declare const checkKeys: (pubKeys: string[], chainId: CSM_SUPPORTED_CHAINS, blockNumber?: number) => string[];
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