How to use the @tds/shared-typography.helveticaNeueMedium65.fontWeight function in @tds/shared-typography

.CalendarDay__blocked_calendar:hover {
    font-weight: ${helveticaNeueLight45.fontWeight};
    background: ${colorWhite};
    background-clip: padding-box;
    color: ${colorShuttleGrey};
    text-decoration: none;
    &:before {
      content: none;
    }
  }
`
)

export const LabelText = styled.div({
  marginBottom: '0.5rem',
  fontWeight: helveticaNeueMedium65.fontWeight,
})

export const HiddenInputFieldContainer = styled.div({
  height: 0,
  width: 0,
  overflow: 'hidden',
})

}

  .DayPickerNavigation_svg__horizontal {
    fill: ${colorShark};
  }

  .DayPicker_weekHeader {
    color: ${colorShark};
  }

  .CalendarDay__default {
    position: relative;
    background-clip: padding-box;
    border: 1px solid ${colorGainsboro};
    vertical-align: middle;
    font-weight: ${helveticaNeueMedium65.fontWeight};
    color: ${colorShark};
    text-decoration: underline;
    transition: all 0.3s;
    line-height: ${daySize}px;
    &:before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      height: 1.9rem;
      width: 1.9rem;
      border-radius: 50%;
      background: transparent;
      transition: all 0.3s;
      z-index: -1;

font-weight: ${helveticaNeueRoman55.fontWeight};
    font-size: 1rem;
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.05);
  }

  .DateInput_fang {
    transform: translateY(2px);
    z-index: 4;
  }

  .DateInput_fangStroke {
    stroke: ${colorShuttleGrey};
  }

  .CalendarMonth_caption {
    font-weight: ${helveticaNeueMedium65.fontWeight};
    padding-bottom: 48px;
  }

  .DayPicker__withBorder {
    box-shadow: none;
  }

  .DayPickerNavigation_button {
    border: 1px solid ${colorShark};
    background-color: ${colorWhite};
    border-radius: 2px;
    position: absolute;
    top: 18px;
    line-height: 0.78;
    padding: 7px 17px;
    cursor: pointer;

font-weight: ${helveticaNeueRoman55.fontWeight};
    font-size: 1rem;
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.05);
  }

  .DateInput_fang {
    transform: translateY(2px);
    z-index: 4;
  }

  .DateInput_fangStroke {
    stroke: ${colorShuttleGrey};
  }

  .CalendarMonth_caption {
    font-weight: ${helveticaNeueMedium65.fontWeight};
    padding-bottom: 48px;
  }

  .DayPicker__withBorder {
    box-shadow: none;
  }

  .DayPickerNavigation_button {
    border: 1px solid ${colorShark};
    background-color: ${colorWhite};
    border-radius: 2px;
    position: absolute;
    top: 18px;
    line-height: 0.78;
    padding: 7px 17px;
    cursor: pointer;