Method flicker

src/main/java/org/bukkit/FireworkEffect.java:100–104

Set whether the firework effect should flicker. @param flicker true if it should flicker, false if not @return This object, for chaining

(boolean flicker)

         * @return This object, for chaining
         */
        @NotNull
        public Builder flicker(boolean flicker) {
            this.flicker = flicker;
            return this;
        }

        /**
         * Add a trail to the firework effect.