import type { RetryPolicy as _memoflow_v1_RetryPolicy, RetryPolicy__Output as _memoflow_v1_RetryPolicy__Output } from '../../memoflow/v1/RetryPolicy.js';
import type { Timestamp as _google_protobuf_Timestamp, Timestamp__Output as _google_protobuf_Timestamp__Output } from '../../google/protobuf/Timestamp.js';
import type { TaskDeliveryIdentity as _memoflow_v1_TaskDeliveryIdentity, TaskDeliveryIdentity__Output as _memoflow_v1_TaskDeliveryIdentity__Output } from '../../memoflow/v1/TaskDeliveryIdentity.js';
import type { ForkExecutionPolicy as _memoflow_v1_ForkExecutionPolicy, ForkExecutionPolicy__Output as _memoflow_v1_ForkExecutionPolicy__Output } from '../../memoflow/v1/ForkExecutionPolicy.js';
export interface ActivityTask {
    'task_token'?: (string);
    'namespace'?: (string);
    'workflow_id'?: (string);
    'run_id'?: (string);
    'step_seq'?: (number);
    'activity_type'?: (string);
    'input'?: (Buffer | Uint8Array | string);
    'attempt'?: (number);
    'retry_policy'?: (_memoflow_v1_RetryPolicy | null);
    'deadline'?: (_google_protobuf_Timestamp | null);
    /**
     * OpenTelemetry (P3.6): W3C trace context propagated from the span active
     * at dispatch time (see WorkflowTask.trace_context doc). Empty when OTel
     * is off.
     */
    'trace_context'?: ({
        [key: string]: string;
    });
    /**
     * P6.3 transactional step (Postgres tier only): this attempt's
     * content-addressed step identity (hash(step_kind, step_name)[:16] + ':' +
     * occurrence_index — Design Law 1), needed so ctx.transaction() can write
     * a checkpoint indistinguishable from a server-written one. Empty on
     * checkpoints scheduled before step_key existed (pre-P0.1) — ctx.transaction()
     * refuses rather than write an identity-less checkpoint in that case.
     */
    'step_key'?: (string);
    'delivery_identity'?: (_memoflow_v1_TaskDeliveryIdentity | null);
    'fork_execution_policy'?: (_memoflow_v1_ForkExecutionPolicy | null);
}
export interface ActivityTask__Output {
    'task_token': (string);
    'namespace': (string);
    'workflow_id': (string);
    'run_id': (string);
    'step_seq': (number);
    'activity_type': (string);
    'input': (Buffer);
    'attempt': (number);
    'retry_policy': (_memoflow_v1_RetryPolicy__Output | null);
    'deadline': (_google_protobuf_Timestamp__Output | null);
    /**
     * OpenTelemetry (P3.6): W3C trace context propagated from the span active
     * at dispatch time (see WorkflowTask.trace_context doc). Empty when OTel
     * is off.
     */
    'trace_context': ({
        [key: string]: string;
    });
    /**
     * P6.3 transactional step (Postgres tier only): this attempt's
     * content-addressed step identity (hash(step_kind, step_name)[:16] + ':' +
     * occurrence_index — Design Law 1), needed so ctx.transaction() can write
     * a checkpoint indistinguishable from a server-written one. Empty on
     * checkpoints scheduled before step_key existed (pre-P0.1) — ctx.transaction()
     * refuses rather than write an identity-less checkpoint in that case.
     */
    'step_key': (string);
    'delivery_identity': (_memoflow_v1_TaskDeliveryIdentity__Output | null);
    'fork_execution_policy': (_memoflow_v1_ForkExecutionPolicy__Output | null);
}