import type { CheckpointReceipt, ReceiptV2, WorkflowConfig, WorkflowState, WorkflowStatus } from './types';
interface WorkflowCreateResponse {
    workflow_id: string;
    created_at: string;
    state?: WorkflowState;
    total_spend_usd?: number;
    outcome_count?: number;
    last_receipt_id?: string | null;
    last_checkpoint_id?: string | null;
    last_chain_hash?: string | null;
    receipts?: ReceiptV2[];
}
export declare class WorkflowContext {
    readonly workflow_id: string;
    readonly user_id: string;
    readonly config: WorkflowConfig;
    readonly created_at: Date;
    private _total_spend_usd;
    private _outcome_count;
    private _last_receipt_id;
    private _last_checkpoint_id;
    private _last_chain_hash;
    private _state;
    private readonly _receipts;
    private constructor();
    static create(config: WorkflowConfig): Promise<WorkflowContext>;
    static fromCheckpoint(config: WorkflowConfig, existing: WorkflowCreateResponse, userId?: string): WorkflowContext;
    outcome<T>(name: string, fn: () => Promise<T>): Promise<T>;
    checkpoint(label?: string): Promise<CheckpointReceipt>;
    cancel(reason: string): Promise<void>;
    finalize(): Promise<void>;
    status(): WorkflowStatus;
    receipts(): ReceiptV2[];
    private writeCheckpoint;
    private writeFinalReceipt;
    private assertActive;
    private assertOutcomeAllowed;
    private assertBudgetRemaining;
    private assertDurationRemaining;
    private checkPostCallCaps;
    private extractOutcomeCost;
    private postReceipt;
}
export declare function workflow<T>(config: WorkflowConfig, fn: (ctx: WorkflowContext) => Promise<T>): Promise<T>;
export {};
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