|  | @@ -33,7 +33,7 @@
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				|  |  |  #import "GRPCSecureChannel.h"
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				|  |  | -grpc_credentials *CertificatesAtPath(NSString *path) {
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				|  |  | +static grpc_credentials *CertificatesAtPath(NSString *path) {
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				|  |  |    NSData *certsData = [NSData dataWithContentsOfFile:path];
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				|  |  |    NSCAssert(certsData.length, @"No data read from %@", path);
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				|  |  |    NSString *certsString = [[NSString alloc] initWithData:certsData encoding:NSUTF8StringEncoding];
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