import { type FlowActionSucceededObservationSeed } from "./flow-action-succeeded-observation.js";
export declare const POST_SUBMIT_HOST_ACTION_REQUEST_RPC_METHOD = "host-action.postSubmit.request";
export declare const POST_SUBMIT_HOST_ACTION_REQUEST_TIMEOUT_MS = 20000;
export declare const HOST_ACTION_EXECUTE_RPC_METHOD = "host-action.execute";
export declare const HOST_ACTION_EXECUTE_LINK_RPC_METHOD = "host-action.execute.link";
export declare const HOST_ACTION_SETTLEMENT_AVAILABILITY_RPC_METHOD = "host-action.settlement.availability";
export declare const HOST_ACTION_LINK_SETTLEMENT_TIMEOUT_MS = 10000;
export declare const HOST_ACTION_LINK_RPC_TIMEOUT_MS = 15000;
/** Settlements supported by the current host action executor. */
export type HostActionSettlementAvailabilityResult = {
    close: true;
    link: boolean;
    remain: true;
};
export declare const toHostActionSettlementAvailabilityResult: (value: unknown) => HostActionSettlementAvailabilityResult | null;
export type HostActionExecuteParams = {
    viewId: string;
    generation: number;
    instanceId: string;
    /** Omitted only by protocol-v3 Core versions predating invocation identity. */
    invocationId?: string;
    definition: {
        key: string;
        version: number;
    };
    /**
     * Optional Core-authored facts for a later host-owned terminal-success
     * observer. `invocationId` and `definition` above are the cross-binding
     * authorities and are intentionally not repeated in this seed.
     */
    flowActionSucceededSeed?: FlowActionSucceededObservationSeed;
};
export type HostActionExecuteLinkParams = HostActionExecuteParams & {
    settlementDeadline: number;
    url: string;
};
export declare const toHostActionExecuteParams: (value: unknown) => HostActionExecuteParams | null;
export declare const toHostActionExecuteLinkParams: (value: unknown) => HostActionExecuteLinkParams | null;
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