export interface ParsedPrReference {
    number?: number;
    repository?: string;
}
export interface ResolvedPrTarget {
    prNumber?: number;
    targetRepository?: {
        owner: string;
        name: string;
    };
}
/** Parses API PR references without performing repository or GitHub I/O. */
export declare function parsePrReference(pr: number | string | undefined): ParsedPrReference | null;
/** Parses a positional CLI PR reference, including a bare numeric string. */
export declare function parseCliPrReference(value: string): ParsedPrReference | null;
/** Converts a validated parsed reference into the command-layer target shape. */
export declare function resolveParsedPrTarget(parsed: ParsedPrReference): ResolvedPrTarget;
/** Canonical collision-safe PR reference for generated commands and escalation messages. */
export declare function formatPrUrl(repository: string, prNumber: number): string;
export declare function isRepositoryQualifiedPrReference(pr: unknown): pr is string;
/** GitHub owner and repository names are case-insensitive. */
export declare function normalizeRepositoryIdentity(repository: string): string;