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// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import <Foundation/Foundation.h>
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/** Trims the given name string and checks if the name is reservable.
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*
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* @param name The name to be checked for reservability.
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* @return Reservable name or nil if there is an error.
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*/
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FOUNDATION_EXTERN NSString *FPRReservableName(NSString *name);
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/** Trims the given name string and checks if the name is reservable.
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*
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* @param name The name to be checked for reservability for an attribute name.
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* @return Reservable name or nil if there is an error.
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*/
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FOUNDATION_EXTERN NSString *FPRReservableAttributeName(NSString *name);
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/** Checks if the given attribute value follows length restrictions.
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*
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* @param value The value to be checked.
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* @return Valid value or nil if that does not adhere to length restrictions.
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*/
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FOUNDATION_EXTERN NSString *FPRValidatedAttributeValue(NSString *value);
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/** Truncates the URL string if the length of the URL going beyond the defined limit. The truncation
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* will happen upto the end of a complete query sub path whose length is less than limit.
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* For example: If the URL is abc.com/one/two/three/four and if the URL max length is 20, trimmed
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* URL will be to abc.com/one/two and not abc.com/one/two/thre (three is incomplete).
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* If the domain name goes beyond 2000 characters (which is unlikely), that might result in an
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* empty string being returned.
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*
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* @param URLString A URL string.
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* @return The unchanged url string or a truncated version if the length goes beyond the limit.
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*/
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FOUNDATION_EXTERN NSString *FPRTruncatedURLString(NSString *URLString);
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/** Ensures proper length and numerals and returns a concatenated version if valid.
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*
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* @param mcc 3 digit MCC code.
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* @param mnc 2 or 3 digit MNC code.
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* @return Concatenated mcc and mnc codes if valid. Otherwise nil.
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*/
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FOUNDATION_EXTERN NSString *FPRValidatedMccMnc(NSString *mcc, NSString *mnc);
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