import type { CompressionState, CoreMessage, ResolvedBoundary } from "./types.js";
export type BoundaryKind = "message" | "block";
export interface ParsedBoundary {
    kind: BoundaryKind;
    numericId: number;
    raw: string;
}
export declare function parseBoundary(ref: string): ParsedBoundary | null;
export interface ResolveBoundariesInput {
    startRef: string;
    endRef: string;
    messages: CoreMessage[];
    state: CompressionState;
}
export interface ResolvedRange {
    startIndex: number;
    endIndex: number;
    messageIds: string[];
    nestedBlockIds: string[];
    boundaryKind: BoundaryKind;
    protectedGaps: number[];
}
export declare function resolveBoundaries(input: ResolveBoundariesInput): ResolvedRange;
export declare function earliestIndexOfIds(ids: string[], indexByRawId: Map<string, number>): number | null;
export declare function toResolvedBoundary(range: ResolvedRange): ResolvedBoundary;
//# sourceMappingURL=boundaries.d.ts.map