import type { EvoCapabilityName } from "./protocol.ts";
export interface EvoCapabilityComponentIdentity {
    id: string;
    abi: string;
    artifactDigest: string;
    declaredCapabilities: readonly string[];
    abiCapabilityCeiling: readonly string[];
}
export interface EvoCapabilityResourceUsage {
    inputTokens: number;
    outputTokens: number;
    totalTokens: number;
    costUsd: number;
}
export interface EvoCapabilityAuthorizationHints {
    model?: string;
    maxOutputTokens?: number;
    tools?: string[];
}
export interface EvoPreparedCapabilityRequest {
    request: unknown;
    /** Conservative upper bound reserved before an external side effect starts. */
    reservation?: EvoCapabilityResourceUsage;
    authorization?: EvoCapabilityAuthorizationHints;
}
export interface EvoCapabilityExecutionResult {
    result: unknown;
    usage?: EvoCapabilityResourceUsage;
}
export interface EvoCapabilityServiceContext {
    component: EvoCapabilityComponentIdentity;
    capability: EvoCapabilityName;
    signal: AbortSignal;
}
/**
 * A trusted host adapter. It validates untrusted component payloads in prepare()
 * and performs the side effect in execute(). Components never receive this object.
 */
export interface EvoCapabilityService {
    prepare(payload: unknown, context: EvoCapabilityServiceContext): EvoPreparedCapabilityRequest;
    execute(request: unknown, context: EvoCapabilityServiceContext): Promise<EvoCapabilityExecutionResult>;
}
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