export type MaterializerEvidence = ReadonlyArray<{
    readonly name: string;
    readonly value: string;
}>;
export type MaterializerProblem = {
    readonly status: number;
    readonly code: string;
    readonly detail: string;
    readonly retryable: boolean;
};
export type MaterializerResult = {
    readonly outcome: "success";
    readonly body: string;
    readonly identity: string;
    readonly evidence: MaterializerEvidence;
} | {
    readonly outcome: "recoverable";
    readonly reason: string;
    readonly identity: string;
    readonly evidence: MaterializerEvidence;
    readonly problem?: MaterializerProblem;
} | {
    readonly outcome: "hard";
    readonly identity: string;
    readonly evidence: MaterializerEvidence;
    readonly problem: MaterializerProblem;
};
export interface HttpMaterializer {
    readonly id: string;
    eligible(url: string, ctx: {
        signal?: AbortSignal;
    }): Promise<string | null> | string | null;
    extract(url: string, opts: {
        signal?: AbortSignal;
    }): Promise<MaterializerResult>;
}
export default class MaterializerRegistry {
    #private;
    static current(): MaterializerRegistry;
    discover(options?: {
        cwd?: string;
        packageDirs?: Array<{
            dir: string;
            name: string;
        }>;
    }): Promise<MaterializerRegistry>;
    materializerFor(id: string): HttpMaterializer | null;
}
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