IConfiguration interface added for configurations.

Signed-off-by: Pavel Erokhin (MairwunNx) <[email protected]>

Author: MairwunNx

src/main/kotlin/com/mairwunnx/projectessentials/core/configuration/IConfiguration.kt

@@ -0,0 +1,48 @@
+package com.mairwunnx.projectessentials.core.configuration
+
+/**
+ * Configuration interface for all configuration
+ * in project essentials modules.
+ *
+ * @param T configuration data class.
+ *
+ * @since 1.14.4-1.3.0
+ */
+interface IConfiguration<T> {
+    /**
+     * Configuration instance (must initialized in
+     * `load` method).
+     *
+     * @since 1.14.4-1.3.0
+     */
+    val configuration: T
+
+    /**
+     * Path to configuration.
+     *
+     * @since 1.14.4-1.3.0
+     */
+    val path: String
+
+    /**
+     * Load configuration from local storage or memory.
+     * Also initializing configuration field.
+     *
+     * @since 1.14.4-1.3.0
+     */
+    fun load()
+
+    /**
+     * Save configuration to local storage.
+     *
+     * @since 1.14.4-1.3.0
+     */
+    fun save()
+
+    /**
+     * @return configuration model instance.
+     *
+     * @since 1.14.4-1.3.0
+     */
+    fun take(): T
+}