import type { RepairChange } from "./types.ts";
export type ObjectLocationSelector = `/${string}` | "";
export type Preprocessor = AliasPreprocessor | FieldPreprocessor | StructuralPreprocessor;
export interface AliasPreprocessor {
    kind: "alias";
    selector: ObjectLocationSelector;
    aliases: readonly string[];
    accepts?: "string" | "number" | "boolean" | "array" | "object";
    emptyEquivalentToMissing?: boolean;
}
export interface FieldPreprocessor {
    kind: "filesystem-path" | "filesystem-path-array" | "glob" | "string-or-array" | "scalar" | "anchor-bleed" | "grammar-tokens";
    selector: ObjectLocationSelector;
    scalarType?: "string" | "number" | "boolean";
    modelFamilies?: readonly RegExp[];
}
export interface StructuralPreprocessor {
    kind: "structural";
    selector: ObjectLocationSelector;
    ruleId: string;
    apply: (value: unknown) => {
        value: unknown;
        note: string;
    } | undefined;
}
export declare function preprocessInput(options: {
    input: unknown;
    toolName: string;
    preprocessors: readonly Preprocessor[];
    modelId?: string;
    allowValidValueTransforms: boolean;
}): {
    value: unknown;
    changes: RepairChange[];
    observations: string[];
};
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