import { LinkKind, Step } from '../types.js';
import { FS } from './fs.js';
export interface EnsureSourceSpec {
    sourceAbs: string;
    kind: LinkKind;
}
export interface EnsureLinkSpec {
    sourceAbs: string;
    targetAbs: string;
    kind: LinkKind;
    atomic: boolean;
}
export interface UnlinkSpec {
    targetAbs: string;
}
export interface CopySpec {
    fromAbs: string;
    toAbs: string;
    kind: LinkKind;
    atomic: boolean;
}
export declare function tmpPathForTarget(targetAbs: string): string;
export declare function backupPathForTarget(targetAbs: string): string;
export declare function detectKind(p: string): Promise<LinkKind>;
export declare function detectKindWithFS(fs: FS, p: string): Promise<LinkKind>;
export declare function isSymlinkTo(targetAbs: string, sourceAbs: string): Promise<boolean>;
export declare function isSymlinkToWithFS(fs: FS, targetAbs: string, sourceAbs: string): Promise<boolean>;
export declare function planEnsureSource(spec: EnsureSourceSpec): Promise<Step[]>;
export declare function planEnsureSourceWithFS(fs: FS, spec: EnsureSourceSpec): Promise<Step[]>;
export declare function planEnsureLink(spec: EnsureLinkSpec): Promise<{
    steps: Step[];
    reason: 'noop' | 'create' | 'replace_symlink' | 'conflict';
}>;
export declare function planEnsureLinkWithFS(fs: FS, spec: EnsureLinkSpec): Promise<{
    steps: Step[];
    reason: 'noop' | 'create' | 'replace_symlink' | 'conflict';
}>;
export declare function planUnlink(spec: UnlinkSpec): Promise<Step[]>;
export declare function planUnlinkWithFS(fs: FS, spec: UnlinkSpec): Promise<Step[]>;
export declare function planCopy(spec: CopySpec): Promise<Step[]>;