/**
 * Safe Argument Builder
 *
 * Input sanitization to prevent command injection.
 */
export interface BuildOptions {
    print?: boolean;
    outputFormat?: 'json' | 'text' | 'stream-json';
    prompt: string;
    model?: string;
    maxTokens?: number;
    temperature?: number;
    systemPrompt?: string;
    allowedTools?: string[];
    dangerouslySkipPermissions?: boolean;
    /** Session ID for linking to JSONL logs (used for token tracking) */
    sessionId?: string;
}
export declare class SafeArgumentBuilder {
    /**
     * Build command line arguments for Claude CLI.
     */
    static build(options: BuildOptions): string[];
    /**
     * Sanitize input string by removing dangerous characters.
     */
    static sanitize(input: string): string;
    /**
     * Validate a simple value (no shell metacharacters).
     */
    static validateSimpleValue(value: string, fieldName: string): void;
    /**
     * Validate a prompt (allows newlines but not shell metacharacters).
     */
    static validatePrompt(prompt: string, fieldName: string): void;
    /**
     * Validate input length.
     */
    private static validateLength;
    /**
     * Validate working directory path.
     */
    static validateWorkingDirectory(dir: string): boolean;
    /**
     * Escape a string for safe use in shell (if absolutely necessary).
     * Prefer using spawn with args array instead of shell execution.
     */
    static escapeForShell(input: string): string;
}
/**
 * Convenience function to build arguments.
 */
export declare function buildSafeArgs(options: BuildOptions): string[];
/**
 * Convenience function to validate working directory.
 */
export declare function isValidWorkingDirectory(dir: string): boolean;
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