/**
 * Bash completion generator. Walks a CommandSpec tree and emits a single
 * self-contained bash function `_<bin>` plus the `complete -F _<bin> <bin>`
 * directive that registers it. The bin name is injected by the caller so the
 * same generator serves any host CLI.
 *
 * Generated script architecture:
 *   1. `_<bin>_path()`: walks COMP_WORDS forward, skipping options and option
 *      values, returns the current command-path string (e.g., "anthropic cost").
 *   2. `_<bin>_options()` / `_<bin>_subcommands()` / `_<bin>_option_takes_value()` /
 *      `_<bin>_option_choices()`: table-lookup functions, generated as big
 *      case statements from the spec tree.
 *   3. `_<bin>()`: main entry. Sets COMPREPLY based on whether the cursor is
 *      on a subcommand name, option name (--<TAB>), or value.
 *   4. Dynamic value paths shell out to `<bin> __complete <provider> -- "$cur"`.
 *
 * Important escaping rules:
 *   - Single-quoted strings in bash don't honor escapes. We replace `'` in
 *     descriptions/choices with `'\''` (the standard bash single-quote escape).
 *   - We avoid descriptions in bash output because bash COMPREPLY can't render
 *     them; descriptions are a zsh/fish feature.
 */
import type { CommandSpec } from "./walk.js";
export declare function generateBash(root: CommandSpec, binName: string): string;
/**
 * The driver: the parts of the completion that don't depend on the command
 * tree. Walks COMP_WORDS to determine the current command path, then dispatches
 * to subcommand / option / value completion. `fn` is the function-name prefix
 * and `binName` is the CLI name used for the `__complete` callback.
 */
/**
 * DYNAMIC bash completion: a thin, tree-independent shim. Instead of baking the
 * command tree into case-tables (which go stale on any command/flag change),
 * it hands the live command line to `<bin> __complete-line` on every <Tab> and
 * lets the binary — which always knows its own current tree — answer. Install
 * once; never regenerate. The trailing `\x1f:<n>` line carries the directive
 * bitmask (bit 0 = fall back to file completion).
 */
export declare function generateBashDynamic(binName: string): string;
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