OpenSystemsDevelopment / qpdf

…c::Common`, and adjust related `QPDFWriter` logic for improved encapsulation.

…:Doc`, rename related methods, and streamline usage across QPDFWriter and linearization modules.

… `Objects`, and `Pages` to use it, and streamline initialization logic.

… declarations across the codebase for improved encapsulation.

…c across `QPDFWriter` for consistency and improved readability.

…isting code used 'last_object_description' and reported the error against a random unrelated object.

…sed_after_compressed` in `QPDF::Doc::Objects`, update usage in `QPDF_linearization`, and streamline related logic.

…ate usage across `QPDF_linearization`, and streamline related logic.

…`Lin`, encapsulate optimization data within `Lin`, update usage across the codebase, and streamline related logic in `QPDF_linearization`.

…ed`, `check`, and `show_data` methods, update usage across the codebase, and streamline related logic.

… `attempt_recovery` to `password_is_hex_key` and `suppress_recovery` to align with the CLI, update usage across the codebase, and streamline related logic.

…` methods, update usage across codebase, and streamline related logic.

…fields, replace direct member access across the codebase, and streamline related logic.

…te usage throughout the codebase, and streamline configurations.

…r` for cleaner and more concise overflow checks.

…for improved structure and better code locality.

…ine logic, update calls across codebase, and streamline method implementation.

… `QPDFPageDocumentHelper`, consolidate redundant logic, and streamline method calls.

…e includes, and streamline page-related logic.

…gin`/`end` methods, update calls across codebase, and streamline page handling logic.

…che`, update calls, streamline initialization, and enhance assertion usage.

…` to `Pages`, update methods to use relocated fields, and streamline cache handling.

…::removePage` to use `Pages::erase`, streamline cache handling in `Pages::update_cache`.

…ges::all` method, add `Pages::size` and `empty` methods, move `getAllPagesInternal` to private section, streamline encapsulation, and enhance code organization.

… to improve code organization.

… streamline error handling, and improve encapsulation.

… improve encapsulation.

…nd improve encapsulation.

…s, and improve encapsulation.

…ctions and improve encapsulation.

…reamline stream registration, and improve encapsulation.

… and streamline stream handling.

… handling, and enhance encapsulation.