import type { EvalPlugin } from "../plugin/types.js";
export interface GraderParameter {
    readonly name: string;
    /** Conceptual type: "string" | "number" | "boolean" | "RegExp" | "ZodType" | "string[]" | "Record<string, unknown>" */
    readonly type: string;
    readonly description: string;
    readonly required: boolean;
    readonly default?: unknown;
}
export interface GraderDescriptor {
    readonly name: string;
    readonly description: string;
    readonly tier: "deterministic" | "llm" | "composition";
    readonly category: "text" | "tool-call" | "metric" | "safety" | "llm-judge" | "composition";
    readonly parameters: readonly GraderParameter[];
    readonly example: string;
    readonly notes?: string | undefined;
}
export declare const BUILT_IN_GRADERS: readonly GraderDescriptor[];
/** Returns all graders (built-in + plugin-contributed). */
export declare function allGraders(plugins?: readonly EvalPlugin[]): readonly GraderDescriptor[];
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