import { BeaconConfig } from "@lodestar/config";
import { capella } from "@lodestar/types";
import { Validator } from "@lodestar/types/phase0";
import { CachedBeaconStateCapella } from "../types.js";
export declare function processBlsToExecutionChange(state: CachedBeaconStateCapella, signedBlsToExecutionChange: capella.SignedBLSToExecutionChange): void;
export declare function isValidBlsToExecutionChange(config: BeaconConfig, validator: Validator, signedBLSToExecutionChange: capella.SignedBLSToExecutionChange, verifySignature?: boolean): {
    valid: true;
} | {
    valid: false;
    error: Error;
};
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