export type MigrationSeverity = 'manual' | 'error';
export interface MigrationDiagnostic {
    readonly severity: MigrationSeverity;
    readonly source: string;
    readonly line: number;
    readonly column: number;
    readonly message: string;
}
export interface MigrationChange {
    readonly kind: 'command' | 'middleware' | 'component';
    readonly source: string;
    readonly target: string;
    readonly identity: string;
    readonly pattern?: string;
    readonly content: string;
}
export interface LegacyMigrationPlan {
    readonly root: string;
    readonly changes: readonly MigrationChange[];
    readonly diagnostics: readonly MigrationDiagnostic[];
}
export interface LegacyMigrationSummary {
    readonly automatic: number;
    readonly manual: number;
    readonly errors: number;
}
/** Extracts only capabilities whose callbacks have no source-file closure dependencies. */
export declare class LegacyCapabilityMigrator {
    plan(projectRoot: string): Promise<LegacyMigrationPlan>;
    summarize(plan: LegacyMigrationPlan): LegacyMigrationSummary;
    apply(plan: LegacyMigrationPlan): Promise<void>;
}
/** @deprecated Use LegacyCapabilityMigrator for command, middleware, and component extraction. */
export declare class LegacyCommandMigrator extends LegacyCapabilityMigrator {
}
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