import type { CapabilityInvocation, ExecutionResult, CanonicalState, SynthEvent, Capability, ExecutionContext as SystemExecutionContext } from "../types/index.js";
export type ExecutionContext = SystemExecutionContext & {
    currentState: CanonicalState;
    events: SynthEvent[];
    capabilityRegistry?: Map<string, Capability>;
};
export declare class ExecutionError extends Error {
    readonly code: string;
    readonly context: Record<string, unknown>;
    constructor(code: string, message: string, context?: Record<string, unknown>);
}
export declare function execute(invocation: CapabilityInvocation, ctx: ExecutionContext): Promise<ExecutionResult>;