Preview:
public Boolean mapContains(Map<id,Object> searchObj, String searchKey, String searchVal){
	for (ID idKey : searchObj.keyset()) {
		System.debug(searchObj.get(idKey).get(searchKey));
		if( searchObj.get(idKey).get(searchKey) == searchVal) {
			System.debug('Match Found'+ searchObj.get(idKey));
			return true;
		}else{
			System.debug('No Match');

		}
	}
	return false;
}
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