import { Command } from '@oclif/core';
import { Payments, EnvironmentName } from '@nevermined-io/payments';
import { ConfigManager } from './utils/config-manager.js';
import { OutputFormatter } from './utils/output-formatter.js';
export declare abstract class BaseCommand extends Command {
    static baseFlags: {
        profile: import("@oclif/core/lib/interfaces/parser.js").OptionFlag<string | undefined, import("@oclif/core/lib/interfaces/parser.js").CustomOptions>;
        format: import("@oclif/core/lib/interfaces/parser.js").OptionFlag<string, import("@oclif/core/lib/interfaces/parser.js").CustomOptions>;
        verbose: import("@oclif/core/lib/interfaces/parser.js").BooleanFlag<boolean>;
    };
    protected configManager: ConfigManager;
    protected formatter: OutputFormatter;
    protected payments?: Payments;
    /**
     * Environment + API key resolved by `initPayments()`. Stored here so
     * subclasses that need to talk to the backend directly (e.g. commands
     * that POST to endpoints the SDK does not yet wrap) don't have to
     * re-implement the env-var-first → config-file fallback and
     * accidentally diverge from the precedence the Payments instance was
     * actually constructed with.
     */
    protected resolvedEnvironment?: EnvironmentName;
    protected resolvedNvmApiKey?: string;
    init(): Promise<void>;
    /**
     * Initialize Payments SDK instance with configuration
     */
    protected initPayments(): Promise<Payments>;
    /**
     * Handle errors consistently with helpful messages
     */
    protected handleError(error: any): void;
    /**
     * Validate required flags
     */
    protected validateRequired(value: any, name: string): void;
    /**
     * Show success message with optional next steps
     */
    protected showSuccess(message: string, nextSteps?: string[]): void;
    /**
     * Reviver for JSON.parse that converts known numeric fields to BigInt.
     * Fields like durationSecs, minAmount, maxAmount, amount, price, and
     * amountOfCredits are used in plan/credit configurations and must be
     * BigInt for the SDK to handle them correctly.
     */
    private bigIntReviver;
    /**
     * Parse JSON input from string, file, or stdin
     */
    protected parseJsonInput(input?: string): Promise<any>;
}
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