export declare const SYNC_COMMITTEES_DEPTH = 4;
export declare const SYNC_COMMITTEES_INDEX = 11;
/**
 * Given merkle branch ``branch``, extend its depth according to ``depth``
 * If given ``depth`` is less than the depth of ``branch``, it will return
 * unmodified ``branch``
 */
export declare function normalizeMerkleBranch(branch: Uint8Array[], depth: number): Uint8Array[];
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