import { type ProfilePhaseModel, type ProfileSummaryModel } from './model.js';
import type { ProfileArtifactError } from './schema.js';
import type { ProfileCapture, ProfileResult } from './types.js';
export interface ProfileComparisonPhaseIdentity {
    readonly source: ProfilePhaseModel['source'];
    readonly phase: string;
    readonly parentSource?: ProfilePhaseModel['parentSource'];
    readonly parentPhase?: string;
}
export interface ProfileComparisonPhaseFact {
    readonly count: number;
    readonly skipCount: number;
    readonly p95DurationMicros: number | null;
}
export interface ProfileComparisonPhaseDelta {
    readonly count?: number;
    readonly skipCount?: number;
    readonly p95DurationMicros?: number;
}
export interface ProfileComparisonPhaseRow {
    readonly identity: ProfileComparisonPhaseIdentity;
    readonly left?: ProfileComparisonPhaseFact;
    readonly right?: ProfileComparisonPhaseFact;
    readonly delta?: ProfileComparisonPhaseDelta;
}
export interface ProfileComparisonSide {
    readonly summary: ProfileSummaryModel;
    readonly completeness: ProfileCapture['completeness'];
}
export interface ProfileComparisonProjection {
    readonly left: ProfileComparisonSide;
    readonly right: ProfileComparisonSide;
    readonly phases: readonly ProfileComparisonPhaseRow[];
}
export type ProfileComparisonError = ProfileArtifactError & {
    readonly detail: ProfileArtifactError['detail'] & {
        readonly side: 'left' | 'right';
    };
};
/** Compares two imported ProfileCapture artifacts without mutating either input. */
export declare function compareProfileCaptures(left: unknown, right: unknown): ProfileResult<ProfileComparisonProjection, ProfileComparisonError>;
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