backdrop_render_cid_parts in core/includes/common.inc

Returns cache ID parts for building a cache ID.

block_test_block_info in core/modules/block/tests/block_test/block_test.module

Implements hook_block_info().

book_block_info in core/modules/book/book.module

Implements hook_block_info().

CommonBackdropRenderTestCase::testBackdropRenderCache in core/modules/simpletest/tests/common.test

Tests caching of render items.

render_example_arrays in modules/examples/render_example/render_example.module

Provides a number of render arrays and show what they do.

views_plugin_display_block::block_caching_modes in core/modules/views/plugins/views_plugin_display_block.inc

Provide a list of core's block caching modes.