javadoc updates

Author: jbf154

grpc-server-spring-boot-autoconfigure/src/main/java/net/devh/boot/grpc/server/config/GrpcServerProperties.java

@@ -164,6 +164,7 @@ public class GrpcServerProperties {
      * The maximum size of metadata allowed to be received. If not set ({@code null}) then
      * {@link GrpcUtil#DEFAULT_MAX_HEADER_LIST_SIZE gRPC's default} should be used.
      * 
+     * @return The maximum metadata size allowed.
      */
     @DataSizeUnit(DataUnit.BYTES)
     private DataSize maxInboundMetadataSize = null;
@@ -321,6 +322,16 @@ public void setMaxInboundMessageSize(final DataSize maxInboundMessageSize) {
         }
     }
 
+    /**
+     * Sets the maximum metadata size allowed to be received by the server. If not set ({@code null}) then it will
+     * default to {@link GrpcUtil#DEFAULT_MAX_HEADER_LIST_SIZE gRPC's default}. If set to {@code -1} then it will use the
+     * highest possible limit (not recommended).
+     *
+     * @param maxInboundMetadataSize The new maximum size allowed for incoming metadata. {@code -1} for max possible.
+     *        Null to use the gRPC's default.
+     *
+     * @see ServerBuilder#maxInboundMetadataSize(int)
+     */
     public void setMaxInboundMetadataSize(final DataSize maxInboundMetadataSize) {
         if (maxInboundMetadataSize == null || maxInboundMetadataSize.toBytes() >= 0) {
             this.maxInboundMetadataSize = maxInboundMetadataSize;