function mergeValidationResults(oBaseState, oValidationState) {
		const oSeverity = {Error: 1, Warning: 2, Information: 3, None: 4};

		if (!oValidationState || oSeverity[oValidationState.validation] - oSeverity[oBaseState.validation] > 0) {
			return oBaseState;
		} else {
			return oValidationState;
		}
	}
Compares the message type and returns the message with higher priority.

@param {Object} oBaseState Message set by the base <code>TableDelegate</code>
@param {Object} oValidationState Message set by the <code>ODataV4Delegate</code>
@returns {Object} The message with higher priority
@private