import type { Session } from '../../../session/session.ts';
import type { AliasMark } from './types.ts';
import type { BuiltinCall, Result } from '../types.ts';
/** Define or print aliases. */
export declare function handleAlias(args: string[], session: Session, mark: AliasMark): Result;
/** Remove aliases: the named ones, or all under `-a`. */
export declare function handleUnalias(args: string[], session: Session): Result;
/** The alias text a command word expands to, or null. */
export declare function aliasValue(session: Session, name: string, mark: AliasMark): string | null;
/**
 * The command line an aliased head word rewrites to, or null. The value
 * replaces the word; a value ending in a blank asks for the next word
 * to be checked too (bash's `alias sudo='sudo '` rule); the result is a
 * fresh line the parser reads again.
 */
export declare function aliasCommandText(session: Session, name: string, rest: string, mark: AliasMark): string | null;
/** The `alias` arm; the row marks where the definition was made. */
export declare function aliasBuiltin(call: BuiltinCall): Promise<Result>;
/** The `unalias` arm. */
export declare function unaliasBuiltin(call: BuiltinCall): Promise<Result>;
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