Method handleParamString2

js/src/base/Exchange.js:5048–5054

(params, paramName1, paramName2, defaultValue = undefined)

        return [value, params];
    }
    handleParamString2(params, paramName1, paramName2, defaultValue = undefined) {
        const value = this.safeString2(params, paramName1, paramName2, defaultValue);
        if (value !== undefined) {
            params = this.omit(params, [paramName1, paramName2]);
        }
        return [value, params];
    }
    handleParamInteger(params, paramName, defaultValue = undefined) {
        const value = this.safeInteger(params, paramName, defaultValue);
        if (value !== undefined) {