Issue #2384459 by mikran, mbovan, slashrsm, chx, Berdir, yched: Add entity query condition for delta in EFQ

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2371605 by plach, larowlan: SqlContentEntityStorage::countFieldData() fatals for revision metadata fields and the UUID field

Issue #2326719 by plach, effulgentsia: Move pseudo-private table mapping functions from ContentEntityDatabaseStorage to public API of DefaultTableMapping.

Issue #2183231 by tstoeckler, plach, jessebeach, fago, Berdir, xjm, mauzeh: Make ContentEntityDatabaseStorage generate static database schemas for content entities.