import type { RoUint8Array } from "@xlabs-xyz/const-utils";
import type { Layout, Item, SwitchItem, FixedConversion, NumType, PrimitiveType, FlexLayoutBytes, LengthPrefixedLayoutBytes, ManualSizeLayoutBytes } from "./layout.js";
export declare const isNumType: (x: any) => x is NumType;
export declare const isPrimitiveType: (x: any) => x is PrimitiveType;
export declare const isItem: (x: any) => x is Item;
export declare const isLayout: (x: any) => x is Layout;
export declare const isFixedUintConversion: (custom: any) => custom is FixedConversion<number, any> | FixedConversion<bigint, any>;
export declare const isFixedBytesConversion: (custom: any) => custom is FixedConversion<RoUint8Array, any>;
export declare const isFixedPrimitiveConversion: (custom: any) => custom is FixedConversion<number, any> | FixedConversion<bigint, any> | FixedConversion<RoUint8Array, any>;
export declare const checkSize: (layoutSize: number, dataSize: number) => number;
export declare const bytesItemHasLayout: (bytesItem: {
    readonly binary: "bytes";
}) => bytesItem is FlexLayoutBytes | ManualSizeLayoutBytes | LengthPrefixedLayoutBytes;
export declare const checkItemSize: (item: any, dataSize: number) => number;
export declare const checkNumEquals: (custom: number | bigint, data: number | bigint) => void;
export declare const checkBytesTypeEqual: (custom: RoUint8Array, data: RoUint8Array, opts?: {
    customSlice?: number | readonly [number, number];
    dataSlice?: number | readonly [number, number];
}) => void;
export declare function findIdLayoutPair(item: SwitchItem, data: any): any;
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