import { AccountInfo, Cluster, ConfirmedSignatureInfo, ParsedAccountData, PublicKey } from "@solana/web3.js";
import { ValidatorsAppValidator } from "./network/validator-app";
export declare const DUMMY_SIGNATURE: Buffer<ArrayBuffer>;
export declare const ZERO_FILLED_DUMMY_SIGNATURE: Buffer<ArrayBuffer>;
export declare const LEDGER_VALIDATOR_BY_FIGMENT: ValidatorsAppValidator;
export declare const LEDGER_VALIDATOR_BY_BITWISE: ValidatorsAppValidator;
export declare const LEDGER_VALIDATOR_DEFAULT: ValidatorsAppValidator;
export declare const LEDGER_VALIDATOR_LIST: ValidatorsAppValidator[];
export declare const LEDGER_VALIDATORS_VOTE_ACCOUNTS: string[];
export declare const SOLANA_DELEGATION_RESERVE = 0.01;
export declare const SYSTEM_ACCOUNT_RENT_EXEMPT = 890880;
export declare const assertUnreachable: (_: never) => never;
export declare function drainSeqAsyncGen<T>(...asyncGens: AsyncGenerator<T>[]): Promise<T[]>;
export declare function drainSeq<T>(jobs: (() => Promise<T>)[]): Promise<T[]>;
export declare function endpointByCurrencyId(currencyId: string): string;
export declare function clusterByCurrencyId(currencyId: string): Cluster;
export declare function defaultVoteAccAddrByCurrencyId(currencyId: string): string | undefined;
export declare function asyncQueue(config: {
    delayBetweenRuns: number;
}): {
    submit: <T>(fn: () => Promise<T>) => Promise<T>;
};
export declare function swap(arr: any[], i: number, j: number): void;
export type Functions<T> = keyof {
    [K in keyof T as T[K] extends Function ? K : never]: T[K];
};
export declare function ledgerFirstValidators(validators: ValidatorsAppValidator[]): ValidatorsAppValidator[];
export declare function profitableValidators(validators: ValidatorsAppValidator[]): ValidatorsAppValidator[];
export declare const tupleOfUnion: <T>() => <U extends T[]>(array: U & ([T] extends [U[number]] ? unknown : "The array must contain all union values")) => U & ([T] extends [U[number]] ? unknown : "The array must contain all union values");
export declare function sweetch<T extends keyof any, R>(caze: T, cases: Record<T, R>): R;
export declare function median(values: number[]): number;
export declare function isParsedAccount(entry: {
    pubkey: PublicKey;
    account: AccountInfo<Buffer | ParsedAccountData>;
}): entry is {
    pubkey: PublicKey;
    account: AccountInfo<ParsedAccountData>;
};
interface HistoryEntry {
    epoch: number;
    stakeHistory: {
        effective: number;
        activating: number;
        deactivating: number;
    };
}
export declare function isHistoryEntry(value: unknown): value is HistoryEntry;
export declare function isSignaturesForAddressResponse(value: unknown): value is {
    result: Array<ConfirmedSignatureInfo>;
    id: string;
};
export {};
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