java/KinesisAggregator/src/main/java/com/amazonaws/kinesis/agg/AggRecord.java [458:474]:
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	private void validateExplicitHashKey(final String explicitHashKey) {
		if (explicitHashKey == null) {
			return;
		}

		BigInteger b = null;
		try {
			b = new BigInteger(explicitHashKey);
			if (b.compareTo(UINT_128_MAX) > 0 || b.compareTo(BigInteger.ZERO) < 0) {
				throw new IllegalArgumentException(
						"Invalid explicitHashKey, must be greater or equal to zero and less than or equal to (2^128 - 1), got "
								+ explicitHashKey);
			}
		} catch (NumberFormatException e) {
			throw new IllegalArgumentException("Invalid explicitHashKey, must be an integer, got " + explicitHashKey);
		}
	}
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java/KinesisAggregatorV2/src/main/java/com/amazonaws/kinesis/agg/AggRecord.java [452:468]:
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	private void validateExplicitHashKey(final String explicitHashKey) {
		if (explicitHashKey == null) {
			return;
		}

		BigInteger b = null;
		try {
			b = new BigInteger(explicitHashKey);
			if (b.compareTo(UINT_128_MAX) > 0 || b.compareTo(BigInteger.ZERO) < 0) {
				throw new IllegalArgumentException(
						"Invalid explicitHashKey, must be greater or equal to zero and less than or equal to (2^128 - 1), got "
								+ explicitHashKey);
			}
		} catch (NumberFormatException e) {
			throw new IllegalArgumentException("Invalid explicitHashKey, must be an integer, got " + explicitHashKey);
		}
	}
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