/**
 * CLI Argument Parser and Validator
 */
import type { CLIContext } from './types';
export declare class ArgumentParser {
    private program;
    constructor();
    /**
     * Parse command line arguments
     */
    parse(argv: string[]): CLIContext;
    /**
     * Set up all CLI commands and options
     */
    private setupCommands;
    /**
     * Create command handler that stores context for later execution
     */
    private createCommandHandler;
    /**
     * Create join command handler for multi-file operations
     */
    private createJoinCommandHandler;
    /**
     * Create stub handler for unimplemented sections
     */
    private createStubHandler;
    /**
     * Get section number for display
     */
    private getSectionNumber;
    /**
     * Validate and normalize CLI options
     */
    private validateOptions;
    /**
     * Validate file path and accessibility
     */
    validateFile(filePath: string): string;
    /**
     * Parse integer with validation
     */
    private parseInteger;
    private parseFloat;
    /**
     * Get the stored command context (used by main CLI)
     */
    getLastContext(): CLIContext | null;
    /**
     * Show help for specific command or general help
     */
    showHelp(command?: string): void;
}
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