@class NSNumberFormatter; @interface _DPInputHelper : NSObject @property (readonly, nonatomic) NSNumberFormatter *fmt; - (id)init; - (id)numberFromString:(id)a0; - (id)numbersFromFileAtPath:(id)a0; - (id)nonEmptyStringsFromFileAtPath:(id)a0; - (void).cxx_destruct; - (id)nonEmptyStringsFromFileAtPath:(id)a0 separatedBy:(id)a1 encoding:(unsigned long long)a2; - (id)nonEmptyStringsFromFileAtPath:(id)a0 encoding:(unsigned long long)a1; - (id)nonEmptyNonWhitespaceStringsFromFileAtPath:(id)a0; @end