org_apache_hadoop_ozone_container_upgrade_TestDatanodeUpgradeToScmHA_java
org.apache.commons.lang3.StringUtils
public static String capitalize(String str) {
        int codepoint;
        int newCodePoint;
        int strLen;
        if (str == null || (strLen = str.length()) == 0) {
            return str;
        }
        int firstCodepoint = str.codePointAt(0);
        if (firstCodepoint == (newCodePoint = Character.toTitleCase(firstCodepoint))) {
            return str;
        }
        int[] newCodePoints = new int[strLen];
        int outOffset = 0;
        newCodePoints[outOffset++] = newCodePoint;
        for (int inOffset = Character.charCount(firstCodepoint); inOffset < strLen; inOffset += Character.charCount(codepoint)) {
            codepoint = str.codePointAt(inOffset);
            newCodePoints[outOffset++] = codepoint;
        }
        return new String(newCodePoints, 0, outOffset);
    }
 -> java.lang.String.length(): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.toTitleCase(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int
 [CALL] -> java.lang.String.length(): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.toTitleCase(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int -> java.lang.String.codePointAt(int): int -> java.lang.Character.charCount(int): int [EXIT]