public WebSocketClientBuilder maxFramePayloadLength(int maxFramePayloadLength) {
        checkArgument(maxFramePayloadLength > 0,
                      "maxFramePayloadLength: %s (expected: > 0)", maxFramePayloadLength);
        this.maxFramePayloadLength = maxFramePayloadLength;
        return this;
    }
Sets the maximum length of a frame's payload.
{@value DEFAULT_MAX_FRAME_PAYLOAD_LENGTH} is used by default.
core/src/main/java/com/linecorp/armeria/client/websocket/WebSocketClientBuilder.java