Obtains a period for this chronology based on years, months and days.
!(p)
This returns a period tied to the ISO chronology using the specified
years, months and days. See {@link Period} for further details.
@param years the number of years, may be negative
@param months the number of years, may be negative
@param days the number of years, may be negative
@return the ISO period, not null
Obtains a period for this chronology based on years, months and days. !(p) This returns a period tied to the ISO chronology using the specified years, months and days. See {@link Period} for further details.
@param years the number of years, may be negative @param months the number of years, may be negative @param days the number of years, may be negative @return the ISO period, not null