import type { StepProviderOptions } from '../../models/workflow-types.js';
import type { ProviderActivityCallback, ProviderType, StreamEvent } from '../../../shared/types/provider.js';
export interface WorkflowStepAbortSignalContext {
    getAbortSignal(): AbortSignal | undefined;
    recordActivity: ProviderActivityCallback;
    runWith<T>(deadline: WorkflowStepInactivityDeadline, operation: () => Promise<T>): Promise<T>;
}
export interface WorkflowStepInactivityDeadline {
    readonly signal: AbortSignal;
    readonly recordActivity: ProviderActivityCallback;
    readonly dispose: () => void;
    readonly inactivityTimeoutMs: number;
}
export declare function recordWorkflowStepProviderEventActivity(recordActivity: ProviderActivityCallback, executionUnitKey: string, event: StreamEvent): void;
export declare function recordWorkflowStepProviderActivity(recordActivity: ProviderActivityCallback, executionUnitKey: string, activity?: Parameters<ProviderActivityCallback>[0]): void;
export declare function captureWorkflowStepProviderActivity(recordActivity: ProviderActivityCallback): ProviderActivityCallback;
export declare function createWorkflowStepAbortSignalContext(parentSignal: AbortSignal | undefined): WorkflowStepAbortSignalContext;
export declare function resolveWorkflowStepCallTimeoutMs(provider: ProviderType | undefined, providerOptions: StepProviderOptions | undefined): number;
export interface WorkflowStepDeadlineProviderInfo {
    readonly provider: ProviderType | undefined;
    readonly providerOptions?: StepProviderOptions;
}
export declare function hasWorkflowStepCallTimeoutGuard(provider: ProviderType | undefined, providerOptions: StepProviderOptions | undefined): boolean;
export interface WorkflowStepExecutionDeadlineContext {
    begin(executionUnitKey: string, providerInfo: WorkflowStepDeadlineProviderInfo): WorkflowStepInactivityDeadline;
    runWith<T>(deadline: WorkflowStepInactivityDeadline, operation: () => Promise<T>): Promise<T>;
}
export declare function resolveWorkflowStepCompositeCallTimeoutMs(providerInfos: readonly WorkflowStepDeadlineProviderInfo[]): number;
export declare function createWorkflowStepDeadline(provider: ProviderType | undefined, providerOptions: StepProviderOptions | undefined, parentSignal: AbortSignal | undefined): WorkflowStepInactivityDeadline;
export declare function createWorkflowStepCompositeDeadline(providerInfos: readonly WorkflowStepDeadlineProviderInfo[], parentSignal: AbortSignal | undefined): WorkflowStepInactivityDeadline;
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