import type { ExtensionType } from "./common.js";
export type SourceAuthorityRelationship = {
    readonly kind: "root";
} | {
    readonly kind: "member";
    readonly root: string;
};
export type WorkspaceAuthorityStatus = "usable" | "missing" | "constraint-mismatch" | "wrong-origin" | "corrupt" | "incomplete" | "locally-modified" | "not-applicable";
export interface SourceAuthorityTarget {
    readonly type: ExtensionType;
    readonly name: string;
    readonly identity: string;
}
export interface SourceAuthorityInput {
    readonly target: SourceAuthorityTarget;
    readonly relationship: SourceAuthorityRelationship;
    readonly requested: {
        readonly identity: string;
        readonly workspace: boolean;
    };
    readonly configured?: {
        readonly identity: string;
        readonly workspace: boolean;
        readonly version?: string;
        readonly status?: WorkspaceAuthorityStatus;
    };
    readonly requiredVersionRange?: string;
    readonly allowWorkspaceReplacement?: boolean;
}
export type SourceAuthorityBlockedCause = "workspace-source-replacement" | "workspace-identity-mismatch" | "workspace-version-incompatible" | "workspace-unusable";
export interface SourceAuthorityBlockedFact {
    readonly id: string;
    readonly target: SourceAuthorityTarget;
    readonly relationship: SourceAuthorityRelationship;
    readonly requestedSource: string;
    readonly configuredSource: string;
    readonly cause: SourceAuthorityBlockedCause;
    readonly detail: string;
    readonly workspaceVersion?: string;
    readonly requiredVersionRange?: string;
    readonly recovery: ReadonlyArray<{
        readonly description: string;
    }>;
}
export type SourceAuthorityDecision = {
    readonly kind: "allow-requested";
} | {
    readonly kind: "workspace-satisfied";
    readonly target: SourceAuthorityTarget;
    readonly relationship: Extract<SourceAuthorityRelationship, {
        readonly kind: "member";
    }>;
    readonly configuredSource: string;
    readonly workspaceVersion?: string;
} | {
    readonly kind: "blocked";
    readonly fact: SourceAuthorityBlockedFact;
};
export declare const evaluateSourceAuthority: (input: SourceAuthorityInput) => SourceAuthorityDecision;
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