export declare type NativeStyleErrorReason = 'UNRECOGNIZED_PLACEHOLDER' | 'NATIVE_CREATIVE_TEMPLATE_REQUIRED' | 'ACTIVE_CREATIVE_TEMPLATE_REQUIRED' | 'UNIQUE_SNIPPET_REQUIRED' | 'INVALID_CUSTOM_TARGETING_MATCH_TYPE' | 'TOO_MANY_CUSTOM_TARGETING_KEY_VALUES' | 'INVALID_TARGETING_TYPE' | 'INVALID_INVENTORY_TARTGETING_TYPE' | 'UNRECOGNIZED_MACRO' | 'UNKNOWN';