Update documentation for body system code (#2556)

Content.Shared/GameObjects/Components/Body/Part/BodyPartExtensions.cs

@@ -7,16 +7,46 @@ namespace Content.Shared.GameObjects.Components.Body.Part
 {
     public static class BodyPartExtensions
     {
+        /// <summary>
+        ///     Checks if the given <see cref="IBodyPart"/> has the specified property.
+        /// </summary>
+        /// <param name="part">The <see cref="IBodyPart"/> to check in.</param>
+        /// <param name="type">
+        ///     The type of <see cref="IBodyPartProperty"/> to check for.
+        /// </param>
+        /// <returns>true if found, false otherwise.</returns>
         public static bool HasProperty(this IBodyPart part, Type type)
         {
             return part.Owner.HasComponent(type);
         }
 
+        /// <summary>
+        ///     Checks if the given <see cref="IBodyPart"/> has the specified property.
+        /// </summary>
+        /// <param name="part">The <see cref="IBodyPart"/> to check in.</param>
+        /// <typeparam name="T">
+        ///     The type of <see cref="IBodyPartProperty"/> to check for.
+        /// </typeparam>
+        /// <returns>true if found, false otherwise.</returns>
         public static bool HasProperty<T>(this IBodyPart part) where T : class, IBodyPartProperty
         {
             return part.HasProperty(typeof(T));
         }
 
+        /// <summary>
+        ///     Tries to retrieve the <see cref="IBodyPartProperty"/> with the
+        ///     specified type.
+        /// </summary>
+        /// <param name="part">The <see cref="IBodyPart"/> to search in.</param>
+        /// <param name="type">
+        ///     The type of <see cref="IBodyPartProperty"/> to search for.
+        /// </param>
+        /// <param name="property">
+        ///     The property, if it was found. Null otherwise.
+        /// </param>
+        /// <returns>
+        ///     true if a component with the specified type was found, false otherwise.
+        /// </returns>
         public static bool TryGetProperty(this IBodyPart part, Type type,
             [NotNullWhen(true)] out IBodyPartProperty? property)
         {
@@ -29,6 +59,20 @@ namespace Content.Shared.GameObjects.Components.Body.Part
             return (property = component as IBodyPartProperty) != null;
         }
 
+        /// <summary>
+        ///     Tries to retrieve the <see cref="IBodyPartProperty"/> with the
+        ///     specified type.
+        /// </summary>
+        /// <param name="part">The <see cref="IBodyPart"/> to search in.</param>
+        /// <typeparam name="T">
+        ///     The type of <see cref="IBodyPartProperty"/> to search for.
+        /// </typeparam>
+        /// <param name="property">
+        ///     The property, if it was found. Null otherwise.
+        /// </param>
+        /// <returns>
+        ///     true if a component with the specified type was found, false otherwise.
+        /// </returns>
         public static bool TryGetProperty<T>(this IBodyPart part, [NotNullWhen(true)] out T? property) where T : class, IBodyPartProperty
         {
             return part.Owner.TryGetComponent(out property);