/usr/include/libanjuta-3.0/libanjuta/interfaces/ is in libanjuta-dev 2:3.22.0-3.
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/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-buildable.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-builder.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-debug-manager.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-debugger-breakpoint.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-debugger-instruction.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-debugger-memory.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-debugger-register.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-debugger-variable.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-debugger.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-document-manager.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-document.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-assist.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-cell-style.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-cell.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-comment.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-convert.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-factory.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-folds.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-glade-signal.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-goto.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-hover.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-language.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-line-mode.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-search.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-selection.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-tip.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-view.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor-zoom.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-editor.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-environment.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-file-loader.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-file-manager.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-file-savable.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-file.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-glade.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-help.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-indenter.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-indicable.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-iterable-tree.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-iterable.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-language-provider.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-language.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-loader.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-markable.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-message-manager.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-message-view.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-plugin-factory.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-preferences.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-print.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-project-backend.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-project-chooser.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-project-manager.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-project.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-provider.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-snippets-manager.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-stream-loader.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-stream-savable.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-stream.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-symbol-manager.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-symbol-query.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-symbol.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-terminal.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-todo.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-vcs.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/ianjuta-wizard.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/libanjuta-iface-marshallers.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/libanjuta-interfaces.h
/usr/include/libanjuta-3.0/libanjuta/interfaces/libanjuta.idl