| 1 | import { Nibbles } from '../trieNode';
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| 2 | /**
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| 3 | * Prepends hex prefix to an array of nibbles.
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| 4 | * @param key - Array of nibbles
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| 5 | * @returns returns buffer of encoded data
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| 6 | **/
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| 7 | export declare function addHexPrefix(key: Nibbles, terminator: boolean): Nibbles;
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| 8 | /**
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| 9 | * Removes hex prefix of an array of nibbles.
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| 10 | * @param val - Array of nibbles
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| 11 | * @private
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| 12 | */
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| 13 | export declare function removeHexPrefix(val: Nibbles): Nibbles;
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| 14 | /**
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| 15 | * Returns true if hex-prefixed path is for a terminating (leaf) node.
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| 16 | * @param key - a hex-prefixed array of nibbles
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| 17 | * @private
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| 18 | */
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| 19 | export declare function isTerminator(key: Nibbles): boolean;
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