export declare const EVO_CAPABILITY_NAMES: readonly ["infer", "read-file", "write-file", "list-dir", "exec", "http-fetch", "retrieve", "memory-read", "memory-write", "spawn-agent"];
export type EvoCapabilityName = (typeof EVO_CAPABILITY_NAMES)[number];
export interface EvoCapabilityRequestFrame {
    type: "capability-request";
    /** Host request id of the invoke that owns this nested call. */
    invokeId: number;
    /** Component-chosen id, unique within an invoke. */
    id: string;
    capability: EvoCapabilityName;
    payload: unknown;
}
export interface EvoCapabilityFrameError {
    code: string;
    message: string;
}
export type EvoCapabilityResultFrame = {
    type: "capability-result";
    invokeId: number;
    id: string;
    ok: true;
    result: unknown;
} | {
    type: "capability-result";
    invokeId: number;
    id: string;
    ok: false;
    error: EvoCapabilityFrameError;
};
export declare function parseEvoCapabilityRequestFrame(value: unknown): EvoCapabilityRequestFrame;
export declare function parseEvoCapabilityRequestLine(line: string): EvoCapabilityRequestFrame;
export declare function capabilitySuccessFrame(request: EvoCapabilityRequestFrame, result: unknown): EvoCapabilityResultFrame;
export declare function capabilityErrorFrame(request: EvoCapabilityRequestFrame, code: string, message: string): EvoCapabilityResultFrame;
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