import type { DelegatedAgentStep } from "./contracts-protocol.js";
export declare const MAX_DELEGATED_AGENT_EVENT_BYTES: number;
export declare const MAX_DELEGATED_AGENT_ID_BYTES = 512;
export declare const MAX_DELEGATED_AGENT_NAME_BYTES = 256;
export declare const MAX_DELEGATED_AGENT_STEP_INDEX = 1000000;
export declare const MAX_DELEGATED_AGENT_DURATION_MS: number;
export declare const MAX_DELEGATED_AGENT_TOKEN_COUNT = 1000000000000;
export interface DelegatedAgentStepInput extends Omit<DelegatedAgentStep, "type" | "kind" | "state"> {
    readonly kind: string;
    readonly state: string;
}
export declare class DelegatedAgentStepError extends Error {
    readonly code = "ERR_PRISM_DELEGATED_AGENT_STEP";
    constructor(message: string);
}
/**
 * Builds the only safe core shape for delegated timeline metadata. Unknown step
 * kinds become `unknown`; unbounded or malformed identity/counter fields fail closed.
 */
export declare function createDelegatedAgentStep(input: DelegatedAgentStepInput): DelegatedAgentStep;