# Functions
ConvertMapToFields converts a map of data from MMDB into a map of strings, optionally using full fields (combining all data into a JSON string).
DoPreProcessFieldAlias takes a map of data fields and standardizes their names using the PreProcessFieldAlias mapping.
NewReader initializes a new Reader for the given MMDB file.
ParseReflectValue processes an interface value and returns its converted string or map representation.
# Variables
PreProcessFieldAlias maps fields from various sources to a standardized format.