presto-main/src/main/java/io/prestosql/operator/window/FrameInfo.java/FrameInfo/equals
class FrameInfo:    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }

        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }

        FrameInfo other = (FrameInfo) obj;

        return Objects.equals(this.type, other.type) &&
                Objects.equals(this.startType, other.startType) &&
                Objects.equals(this.startChannel, other.startChannel) &&
                Objects.equals(this.endType, other.endType) &&
                Objects.equals(this.endChannel, other.endChannel);
    }