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#=back
#
#Return value:  (any)
#
#=head1 ENVIRONMENT
#
#=head2 COMPLETE_BASH_DEFAULT_ESC_MODE
#
#Str. To provide default for the C<esc_mode> option in L</format_completion>.
#
#=head2 COMPLETE_BASH_FZF
#
#Bool. Whether to pass large completion answer to fzf instead of directly passing
#it to bash and letting bash page it with a simpler more-like internal pager. By
#default, large is defined as having at least 100 items (same bash's
#C<completion-query-items> setting). This can be configured via
#L</COMPLETE_BASH_FZF_ITEMS>.
#
#Will not pass to fzf if inside emacs (C<INSIDE_EMACS> environment is true).
#
#=head2 COMPLETE_BASH_FZF_ITEMS
#
#Uint. Default 100. The minimum number of items to trigger passing completion
#answer to C<fzf>.
#
#A special value of -1 means to use terminal height. However, since terminal
#height (and width) normally cannot be read during tab completion anyway, it's
#better if you do something like this in your bash startup file:
#
# export COMPLETE_BASH_FZF_ITEMS=$LINES
#
#because without passing to C<fzf>, as soon as the number of completion answers
#exceeds C<$LINES>, C<bash> will start paging the answer to its internal pager,
#which is limited like C<more>. If you set the above, then as soon as the number
#of completion answers exceeds terminal height, you will avoid the bash internal
#pager and use the nicer C<fzf>.
#
#See also: L</COMPLETE_BASH_FZF>.
#
#=head2 COMPLETE_BASH_MAX_COLUMNS
#
#Uint.
#
#Bash will show completion entries in one or several columns, depending on the
#terminal width and the length of the entries (much like a standard non-long
#`ls`). If you prefer completion entries to be shown in a single column no matter
#how wide your terminal is, or how short the entries are, you can set the value
#of this variable to 1. If you prefer a maximum of two columns, set to 2, and so
#on. L</format_completion> will pad the entries with sufficient spaces to limit
#the number of columns.
#
#=head2 COMPLETE_BASH_SHOW_SUMMARIES
#
#Bool. Will set the default for C<show_summaries> option in
#L</format_completion>.
#
#=head2 COMPLETE_BASH_SUMMARY_ALIGN
#
#String. Either C<left> (the default) or C<right>.
#
#The C<left> align looks something like this:
#
# --bar      Summary about the bar option
# --baz      Summary about the baz option
# --foo      Summary about the foo option
# --schapen  Summary about the schapen option
#
#The C<right> align will make the completion answer look like what you see in the
#B<fish> shell:
#
# --bar                        Summary about the bar option
# --baz                        Summary about the baz option
# --foo                        Summary about the foo option
# --schapen                Summary about the schapen option
#
#=head2 COMPLETE_BASH_TRACE
#
#Bool. If set to true, will produce more log statements to L<Log::ger>.
#
#=head1 HOMEPAGE
#
#Please visit the project's homepage at L<https://metacpan.org/release/Complete-Bash>.
#
#=head1 SOURCE
#
#Source repository is at L<https://github.com/perlancar/perl-Complete-Bash>.
#
#=head1 SEE ALSO
#
#L<Complete>, the convention that this module follows.
#
#Some higher-level modules that use this module (so you don't have to use this
#module directly): L<Getopt::Long::Complete> (via L<Complete::Getopt::Long>),
#L<Getopt::Long::Subcommand>, L<Perinci::CmdLine> (via
#L<Perinci::Sub::Complete>).
#
#Other modules related to bash shell tab completion: L<Bash::Completion>,
#L<Getopt::Complete>, L<Term::Bash::Completion::Generator>.
#
#Programmable Completion section in Bash manual:
#L<https://www.gnu.org/software/bash/manual/html_node/Programmable-Completion.html>
#
#=head1 AUTHOR
#
#perlancar <perlancar@cpan.org>
#
#=head1 CONTRIBUTORS
#
#=for stopwords Mary Ehlers Steven Haryanto
#
#=over 4
#
#=item *
#
#Mary Ehlers <regina.verb.ae@gmail.com>
#
#=item *
#
#Steven Haryanto <stevenharyanto@gmail.com>
#
#=back