ConstReadonlyCAP_HEIGHT: numbercap height.
ReadonlyHORIZONTAL_ASCENDER: numberhorizontal ascender.
ReadonlyHORIZONTAL_CARET_OFFSET: numberhorizontal caret offset.
ReadonlyHORIZONTAL_CARET_RISE: numberhorizontal caret rise.
ReadonlyHORIZONTAL_CARET_RUN: numberhorizontal caret run.
ReadonlyHORIZONTAL_CLIPPING_ASCENT: numberhorizontal clipping ascent.
ReadonlyHORIZONTAL_CLIPPING_DESCENT: numberhorizontal clipping descent.
ReadonlyHORIZONTAL_DESCENDER: numberhorizontal descender.
ReadonlyHORIZONTAL_LINE_GAP: numberhorizontal line gap.
ReadonlySTRIKEOUT_OFFSET: numberstrikeout offset.
ReadonlySTRIKEOUT_SIZE: numberstrikeout size.
ReadonlySUBSCRIPT_EM_X_OFFSET: numbersubscript em x offset.
ReadonlySUBSCRIPT_EM_X_SIZE: numbersubscript em x size.
ReadonlySUBSCRIPT_EM_Y_OFFSET: numbersubscript em y offset.
ReadonlySUBSCRIPT_EM_Y_SIZE: numbersubscript em y size.
ReadonlySUPERSCRIPT_EM_X_OFFSET: numbersuperscript em x offset.
ReadonlySUPERSCRIPT_EM_X_SIZE: numbersuperscript em x size.
ReadonlySUPERSCRIPT_EM_Y_OFFSET: numbersuperscript em y offset.
ReadonlySUPERSCRIPT_EM_Y_SIZE: numbersuperscript em y size.
ReadonlyUNDERLINE_OFFSET: numberunderline offset.
ReadonlyUNDERLINE_SIZE: numberunderline size.
ReadonlyVERTICAL_ASCENDER: numbervertical ascender.
ReadonlyVERTICAL_CARET_OFFSET: numbervertical caret offset.
ReadonlyVERTICAL_CARET_RISE: numbervertical caret rise.
ReadonlyVERTICAL_CARET_RUN: numbervertical caret run.
ReadonlyVERTICAL_DESCENDER: numbervertical descender.
ReadonlyVERTICAL_LINE_GAP: numbervertical line gap.
ReadonlyX_HEIGHT: numberx height.
Metric tags corresponding to MVAR Value Tags.