How to use the typeorm/util/StringUtils.snakeCase function in typeorm

columnName(
        propertyName: string,
        customName: string,
        embeddedPrefixes: string[],
    ): string {
        return (
            snakeCase(embeddedPrefixes.join('_')) +
            (customName ? customName : snakeCase(propertyName))
        );
    }

columnName(propertyName: string, customName?: string, embeddedPrefixes: string[] = []): string {
    return (
      snakeCase(embeddedPrefixes.join('_')) + (customName ? customName : snakeCase(propertyName))
    );
  }

uniqueConstraintName(tableOrName: string, columnNames: string[]): string {
    return snakeCase('uq_' + tableOrName + columnNames.map(column => '_' + column));
  }

columnName(propertyName: string, customName: string, embeddedPrefixes: string[]): string {
    return snakeCase(embeddedPrefixes.join('_')) + (customName ? customName : snakeCase(propertyName));
  }

joinTableName(
        firstTableName: string,
        secondTableName: string,
        firstPropertyName: string,
        _secondPropertyName: string,
    ): string {
        return snakeCase(
            firstTableName +
                '_' +
                firstPropertyName.replace(/\./gi, '_') +
                '_' +
                secondTableName,
        );
    }

foreignKeyName(tableOrName: string, columnNames: string[]): string {
    return snakeCase('fk_' + tableOrName + columnNames.map(column => '_' + column));
  }

joinColumnName(relationName: string, referencedColumnName: string): string {
        return snakeCase(relationName + '_' + referencedColumnName);
    }

protected formatAliasField(alias: string, field: string): string {
    switch (this.namingStrategy) {
      case LoaderNamingStrategyEnum.SNAKECASE:
        return `${alias}_${snakeCase(field)}`;
      case LoaderNamingStrategyEnum.CAMELCASE:
        return `${alias}_${field}`;
      default:
        return `${alias}_${field}`;
    }
  }

classTableInheritanceParentColumnName(
        parentTableName: any,
        parentTableIdPropertyName: any,
    ): string {
        return snakeCase(parentTableName + '_' + parentTableIdPropertyName);
    }
}

joinTableColumnName(tableName: string, propertyName: string, columnName?: string): string {
    return snakeCase(`${tableName}_${columnName ? columnName : propertyName}`);
  }