code: public static Schema arrayOf(Schema componentSchema) {
      return new Schema(Type.ARRAY, null, componentSchema, null, null, null, null, null);
    }
docs: Creates an {@link Type#ARRAY ARRAY} {@link Schema} of the given component type.
  @param componentSchema Schema of the array component.
  @return A {@link Schema} of {@link Type#ARRAY ARRAY} type.