12 lines
292 B
Dart
12 lines
292 B
Dart
/// Configuration Provider
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///
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/// @author sombochea
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/// @since 1.0.0
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abstract class ConfigurationProvider {
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/// check has key or not in implemented classes
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bool containsKey(String key);
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/// get or null in implemented classes
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String? getOrNull(String key, {String? defaultValue});
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}
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