import type { ModelProfile } from './catalog.js';
export type CapabilityName = keyof ModelProfile['capabilities'] | `input:${ModelProfile['capabilities']['modalities']['input'][number]}` | `output:${ModelProfile['capabilities']['modalities']['output'][number]}`;
export type CapabilityRequirement = CapabilityName | {
    readonly capability: CapabilityName;
    readonly required: true;
} | {
    readonly capability: CapabilityName;
    readonly minimum: number;
};
export interface BenchmarkEvidence {
    readonly suite: string;
    readonly artifact: string;
    readonly measuredAt: string;
    readonly dimensions: Readonly<Record<string, number | string>>;
}
export interface ModelEquivalenceMember {
    readonly providerId: string;
    readonly modelId: string;
    readonly rank: number;
    readonly effort?: string;
    readonly requiredCapabilities: readonly CapabilityRequirement[];
    readonly transportPreferences?: readonly string[];
}
export interface ModelEquivalenceGroup {
    readonly id: string;
    readonly intent: 'coding' | 'general' | 'reasoning' | 'fast';
    readonly members: readonly ModelEquivalenceMember[];
    readonly evidence: readonly BenchmarkEvidence[];
    readonly expiresAt: string;
}
export interface ModelAlias {
    readonly alias: string;
    readonly providerId: string;
    readonly modelId: string;
    readonly transportProviderId: string;
    readonly effort?: string;
}
export interface EquivalenceExclusion {
    readonly providerId: string;
    readonly modelId: string;
    readonly reason: string;
    readonly reviewer: string;
    readonly expiresAt: string;
    readonly provenance: string;
}
export interface ModelEquivalenceCouncil {
    readonly revision: string;
    readonly expiresAt: string;
    readonly aliases: readonly ModelAlias[];
    readonly groups: readonly ModelEquivalenceGroup[];
    readonly exclusions: readonly EquivalenceExclusion[];
}
export declare class EquivalenceCouncilError extends Error {
    readonly issues: readonly string[];
    constructor(issues: readonly string[]);
}
export declare const capabilityRequirementEquals: (left: CapabilityRequirement, right: CapabilityRequirement) => boolean;
export declare const modelSupportsCapability: (profile: ModelProfile | undefined, requirement: CapabilityRequirement) => boolean;
export declare const DEFAULT_MODEL_EQUIVALENCE_COUNCIL: ModelEquivalenceCouncil;
export declare const validateEquivalenceCouncil: (council: ModelEquivalenceCouncil, profiles: readonly ModelProfile[], now?: Date) => void;
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