Java, C#: Enhance shortenMantissa function description

Author: agdavydov81

csharp/EPAM.Deltix.DFP/Decimal64.cs

@@ -823,6 +823,11 @@ public Decimal64 RoundToNearestTiesToEven(Decimal64 multiple)
 		/// This function attempts to find the number with the maximum count of trailing zeros
 		/// within the neighborhood range [mantissa-delta ... mantissa+delta].
 		/// If the number of trailing zeros is less than minZerosCount, the original value is returned.
+		/// The delta argument determines how far new values can be from the input value.
+		/// It defines the region within which candidates are searched.
+		/// Once the best candidate within the search region is found, it is checked to determine if the candidate is good enough.
+		/// The good candidate must have at least minZerosCount trailing zeros.
+		/// If this is true, the new value with a shortened mantissa is returned; otherwise, the original input value is returned.
 		/// For the examples above the
 		/// Decimal64.FromDouble(12.3456).ShortenMantissa(4, 1) => 12.3456
 		/// Decimal64.FromDouble(720491.5510000001).ShortenMantissa(4, 1) => 720491.551

java/dfp/src/main/java/com/epam/deltix/dfp/Decimal64.java

@@ -729,6 +729,11 @@ public Decimal64 average(final Decimal64 other) {
      * This function attempts to find the number with the maximum count of trailing zeros
      * within the neighborhood range [mantissa-delta ... mantissa+delta].
      * If the number of trailing zeros is less than minZerosCount, the original value is returned.
+     * The delta argument determines how far new values can be from the input value.
+     * It defines the region within which candidates are searched.
+     * Once the best candidate within the search region is found, it is checked to determine if the candidate is good enough.
+     * The good candidate must have at least minZerosCount trailing zeros.
+     * If this is true, the new value with a shortened mantissa is returned; otherwise, the original input value is returned.
      * For the examples above the
      * Decimal64.fromDouble(12.3456).shortenMantissa(4, 1) => 12.3456
      * Decimal64.fromDouble(720491.5510000001).shortenMantissa(4, 1) => 720491.551

java/dfp/src/main/java/com/epam/deltix/dfp/Decimal64Utils.java

@@ -864,6 +864,11 @@ public static long mean(@Decimal final long a, @Decimal final long b) {
      * This function attempts to find the number with the maximum count of trailing zeros
      * within the neighborhood range [mantissa-delta ... mantissa+delta].
      * If the number of trailing zeros is less than minZerosCount, the original value is returned.
+     * The delta argument determines how far new values can be from the input value.
+     * It defines the region within which candidates are searched.
+     * Once the best candidate within the search region is found, it is checked to determine if the candidate is good enough.
+     * The good candidate must have at least minZerosCount trailing zeros.
+     * If this is true, the new value with a shortened mantissa is returned; otherwise, the original input value is returned.
      * For the examples above the
      * Decimal64.fromDouble(12.3456).shortenMantissa(4, 1) => 12.3456
      * Decimal64.fromDouble(720491.5510000001).shortenMantissa(4, 1) => 720491.551