import { type Hex } from 'viem';
/** @notice Preferred block tag for reads (finalized or latest). */
export type BlockTagPreference = 'finalized' | 'latest';
/** @notice Convert finalized flag to a block tag value. */
export declare const blockTagFromFinality: (finalized: boolean) => BlockTagPreference;
/** @notice Split bytes into bigint limbs of fixed size (from the end). */
export declare const bytesToLimbs: (bytes: Uint8Array, limbSize: number) => readonly bigint[];
/** @notice Sort hex-keyed entries ascending by key. */
export declare const sortHexAsc: <T extends {
    key: Hex;
}>(items: readonly T[]) => T[];
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