constructor(cc) {
        this.cn = cc.cn; // connection details;
        this.dc = cc.dc; // database context;
        this.options = cc.options; // library options;
        this.db = cc.db; // database session;
        this.level = cc.level; // task level;
        this.txLevel = cc.txLevel; // transaction level;
        this.parentCtx = null; // parent context
        this.taskCtx = null; // task context
        this.start = null; // Date/Time when connected
        this.txCount = 0;
    }
@class ConnectionContext
@private
@summary Internal connection context.

@param {object} cc
Connection Context.

@param {object} cc.cn
Connection details

@param {*} cc.dc
Database Context

@param {object} cc.options
Library's Initialization Options

@param {object} cc.db
Database Session we're attached to, if any.

@param {number} cc.level
Task Level

@param {number} cc.txLevel
Transaction Level

@param {object} cc.parentCtx
Connection Context of the parent operation, if any.