/**
 * Terraform Gate
 *
 * Evaluates Terraform plans before apply, blocking dangerous operations.
 */
import type { GatePolicy, GateResult, TerraformApplyOptions, CommandResult } from './types.js';
export declare class TerraformGate {
    private policy;
    constructor(policy: GatePolicy);
    /**
     * Run terraform plan (always allowed - planning is safe).
     * Returns the plan output and saves plan file for later apply.
     */
    plan(cwd?: string, args?: string[]): Promise<GateResult<{
        planFile: string;
        planJson: unknown;
    }>>;
    /**
     * Apply a Terraform plan through the gate.
     * Evaluates the plan first, then applies if allowed.
     */
    apply(options?: TerraformApplyOptions): Promise<GateResult<CommandResult>>;
    /**
     * Evaluate a plan without applying it.
     */
    evaluate(planJson: unknown, stateJson?: unknown): Promise<GateResult>;
    /**
     * Destroy infrastructure through the gate.
     * Always escalates by default - destroying is high-risk.
     */
    destroy(cwd?: string, args?: string[]): Promise<GateResult<CommandResult>>;
    private shouldEscalate;
    private shouldExecute;
    private runTerraform;
}
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