The program's stable content identity (first 8 hex chars of the SHA-256 of the decoded bytes) — feed it to GigaPdfDoc.extractWebFontById / GigaPdfDoc.webFontCoverage. Matches TextElementInfo.fontId.
Embedded program format (see EmbeddedFont.format).
Glyph count of the parsed program (0 when it does not parse).
The /BaseFont names of every wrapper font dict referencing this program
(deduplicated, sorted).
One embedded font program (from GigaPdfDoc.embeddedFontsV2) — the per-program, deduplicated sibling of EmbeddedFont. A form generator routinely embeds dozens of same-family font wrappers whose descriptors all share a handful of physical programs; where GigaPdfDoc.embeddedFonts lists one entry per name, this lists one entry per
/FontFile*stream, with every name wrapped around it.