export type ProcedureMode = 'read_only' | 'read_write';
export interface ProcedureSpec {
    name: string;
    version?: number;
    mode: ProcedureMode;
    params?: unknown[];
    body: unknown;
    checksum?: string;
    created_epoch?: number;
    updated_epoch?: number;
}
export interface ProcedureCallOptions {
    args?: Record<string, unknown>;
    idempotencyKey?: string;
}
export interface ProcedureCallResult {
    epoch?: bigint;
    result: unknown;
}
export declare function procedure(spec: ProcedureSpec): ProcedureSpec;
export declare function procedureJson(spec: ProcedureSpec): string;
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