/**
 * Built-in GateRules — standard artifact checks.
 *
 * FileExistsRule:   required files present in artifact set
 * TypeCheckRule:    tsc reports zero errors (artifact type='typecheck', metadata.errors=0)
 * TestPassRule:     all tests passed (artifact type='test-result', metadata.passed=true)
 * MinCoverageRule:  coverage meets threshold (artifact type='coverage', metadata.percentage >= threshold)
 */
import type { ArtifactRef, RuleResult, StageId } from '../types/index.js';
import type { GateRule } from './gate-rule.js';
export declare class FileExistsRule implements GateRule {
    readonly id = "file-exists";
    readonly appliesTo: StageId[];
    private readonly requiredPaths;
    constructor(appliesTo: StageId[], requiredPaths: string[]);
    evaluate(artifacts: ArtifactRef[]): RuleResult;
}
export declare class TypeCheckRule implements GateRule {
    readonly id = "type-check";
    readonly appliesTo: StageId[];
    constructor(appliesTo: StageId[]);
    evaluate(artifacts: ArtifactRef[]): RuleResult;
}
export declare class TestPassRule implements GateRule {
    readonly id = "test-pass";
    readonly appliesTo: StageId[];
    constructor(appliesTo: StageId[]);
    evaluate(artifacts: ArtifactRef[]): RuleResult;
}
export declare class MinCoverageRule implements GateRule {
    readonly id = "min-coverage";
    readonly appliesTo: StageId[];
    private readonly threshold;
    constructor(appliesTo: StageId[], threshold: number);
    evaluate(artifacts: ArtifactRef[]): RuleResult;
}
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